## Appendix B Shape Groups
\begin{table}
\begin{tabular}{l c} \hline \hline
**Shape Groups (1–15), Name** & **Label** \\ \hline Rectangular plate & P1h [_KRN_] \\ Hollow plate & P1i [_Li_] \\ Plate with a central hole & P1j [_KRN_] \\ Split plate & P1k [_Li_] \\ Irregular split plate & P1m [_KRN_] \\ Double plate & P1o [_Li_] \\ Stellar crystal over plate & P1q [_KRN_] \\ Plate with scrolls at ends & CP3f \\ Rimed plate or sector & R1c \\ Germ of skeleton from & G2 \\ Minute hexagonal plate & G3 \\ \hline
**(6)**_Stellar crystals_** & \\ Stellar crystal & P1d \\ Ordinary dendritic crystal & P1e \\ Fernlike crystal & P1f \\ Split stellar crystal & P1l [_Li_] \\ Irregular split stellar crystal & P1n [_KRN_] \\ Double stellar crystal & P1p [_KRN_] \\ Stellar crystal with plates at ends & P2a \\ Stellar crystal with sector-like ends & P2b \\ Dendritic crystal with plates at ends & P2c \\ Dendritic crystal with sector-like ends & P2d \\ Plate with simple extensions & P2e \\ Plate with sector-like extensions & P2f \\ Plate with dendritic extensions & P2g \\ Triangular form with plates at ends & P2h [_KRN_] \\ Triangular form with dendrites at ends & P2i [_KRN_] \\ Concentric plates with sector-like extensions & P2j [_KRN_] \\ Concentric plates with stellar or dendritic extensions & P2k [_KRN_] \\ Broad branch crystal with 12 branches & P4a \\ Dendritic crystal with 12 branches & P4b \\ Stellar crystal with scrolls at ends & CP3c \\ Rimed stellar crystal & R1d \\ Minute stellar crystal & G4 \\ \hline
**(7)**_Bullet rosettes_ & \\ Combination of bullets (bullet rosettes) & C2a \\ Combination of columns (column rosettes) & C2b \\ Combination of bullets with plates & CP2g [_Ki_] \\ Combination of bullets with dendrites & CP2h [_Ki_] \\ Asymmetric combination of bullets & CP2i [_KRN_] \\ Rimed capped bullet & R1f [_KRN_] \\ \hline
**(8)**_Branches_ & \\ Two-branched crystal & P3a \\ Three-branched crystal & P3b \\ Four-branched crystal & P3c \\ Malformed crystal & P5 \\ \hline \hline \end{tabular}
\end{table} 
Table 10: Cont. \begin{table}
\begin{tabular}{l c} \hline
**Shape Groups (1–15), Name** & **Label** \\ \hline Radiating assemblage of dendrites & P7b \\ Seagull crystal & CP4a [Kil] \\ Broken branch & I3a \\ Rimed broken branch & I3b \\ \hline
**(9) Side planes** & \\ Radiating assemblage plates & P7a \\ Side planes & S1 \\ Scale-like side planes & S2 \\ Combination of side planes, bullets, and columns & S3 \\ Arrowhead twins & S4 [Li] \\ Crossed plates & S5 [Li] \\ Minute assemblage of plates & G5 \\ \hline
**(10) Spatial plates** & \\ Plate with spatial plates & P6a \\ Plate with spatial dendrites & P6b \\ Plate with needles & CP3d [Kil] \\ Plate with columns & CP3e [Kil] \\ Densely rimed plate or sector & R2a \\ \hline
**(11) Spatial stellar crystals** & \\ Stellar crystal with spatial plates & P6c \\ Stellar crystal with spatial dendrites & P6d \\ Stellar crystal with needles & CP3a \\ Stellar crystal with columns & CP3b \\ Densely rimed stellar crystal & R2b \\ Stellar crystal with rimed spatial branches & R2c \\ Graupel-like snow of hexagonal type & R3a \\ Graupel-like snow of lump type & R3b \\ Graupel-like snow with non-rimed extensions & R3c \\ \hline
**(12) Graupel** & \\ Hexagonal graupel & R4a \\ Lump graupel & R4b \\ Cone-like graupel & R4c \\ \hline
**(13) Ice and melting or sublimating particles** & \\ Ice particle & I1 \\ Frozen cloud particle & H1a [Kil] \\ Chained frozen cloud particles & H1b [Kil] \\ Sleet particle & H2a [Kil] \\ Ice pellet & H3a [Kil] \\ \hline
**(14) Irregulars and aggregates** & \\ Aggregation of combinations of columns and bullets & A1a [Kil] \\ Aggregation of combinations of plates and dendrites & A2a [Kil] \\ Aggregation of combinations of columns, planes & A3a [Kil] \\ and crossed plates & A4a [KRN] \\ \hline \end{tabular}
\end{table} 
Table 10: Cont.