Chapter VIII addresses the idea that species had special characteristics that prevented hybrids from being fertile in order to preserve separately created species. Darwin said that, far from being constant, the difficulty in producing hybrids of related species, and the viability and fertility of the hybrids, varied greatly, especially among plants. Sometimes what were widely considered to be separate species produced fertile hybrid offspring freely, and in other cases what were considered to be mere varieties of the same species could only be crossed with difficulty. Darwin concluded: "Finally, then, the facts briefly given in this chapter do not seem to me opposed to, but even rather to support the view, that there is no fundamental distinction between species and varieties."
Why would hybrids have characteristics that keep them from being fertile?
in order to preserve separately created species

In Paris' Roman era, its main cemetery was located to the outskirts of the Left Bank settlement, but this changed with the rise of Catholicism, where most every inner-city church had adjoining burial grounds for use by their parishes. With Paris' growth many of these, particularly the city's largest cemetery, les Innocents, were filled to overflowing, creating quite unsanitary conditions for the capital. When inner-city burials were condemned from 1786, the contents of all Paris' parish cemeteries were transferred to a renovated section of Paris' stone mines outside the "Porte d'Enfer" city gate, today place Denfert-Rochereau in the 14th arrondissement. The process of moving bones from Cimetiere des Innocents to the catacombs took place between 1786 and 1814; part of the network of tunnels and remains can be visited today on the official tour of the catacombs.
When were inner city burials banned?
1786

In China, it opened on 12 November and earned $15 million on its opening day, which is the second biggest 2D single day gross for a Hollywood film behind the $18.5 million opening day of Mission: Impossible Rogue Nation and occupying 43% of all available screens which included $790,000 in advance night screenings. Through its opening weekend, it earned $48.1 million from 14,700 screens which is 198% ahead of Skyfall, a new record for a Hollywood 2D opening. IMAX contributed $4.6 million on 246 screens, also a new record for a three-day opening for a November release (breaking Interstellar's record). In its second weekend, it added $12.1 million falling precipitously by 75% which is the second worst second weekend drop for any major Hollywood release in China of 2015. It grossed a total of $84.7 million there after four weekends. Albeit a strong opening it failed to attain the $100 million mark as projected.
On what day and month was Spectre released to the Chinese market?
12 November