Johannis Gaubii epistola problematica, prima[-tertia], ad ... Fredericum Ruyschium ... de pilis, pinquedine, septoque scroti
Subtitle: nec non de papillis pyramidalibus; ut etiam de corpore reticulari, sub cuticula sito, &c
Contributors: Ruysch, Frederik, 1638-1731
Publisher: Apud Joannem Wolters
Published: 1696
Place of publication: Amstelaedami
Language: lat
Number of pages: 16
Other titles: Epistola problematica, prima[-tertia]; Epistola anatomica, problematica.
Notes: Epistolas secunda and tertia have half-titles with title:  Epistola anatomica, problematica.

Each epistola is followed by the answer of Frederik Ruysch; all the letters are dated 1695.

Another edition was published that same year with imprint:  Amstelaedami : Apud Johannem Wolters, 1696.

Signatures:  A-B4 ; A-B4 (-B4) ; A-B4.
Table of contents: title: (from t.p. and half-titles) I. De pilis, pinguedine, septoque scroti; nec non de papillis pyramidalibus; ut etiam de corpore reticulari, sub cuticula sito, &c.; title: II. De artificiosa scroti humani induratione, ejusque vasorum sanguiserorum cursu ac copia; ut & de arteriis per costarum periostium, spatio costarum intercartilaginea, pericardium, &c. disseminatis; title: III. De arteriis per cordis substantiam, ejusque auriculas dispersis, ut & de egressu arteriae aortae e cordis tholamo sinistro.