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Although there are eight or more species of Ammonites and six of them peculiar to it, this genus is much less fully represented than in each of the other subdivisions of the Upper Cretaceous group. Terebratulina striata, Wahlenb. Rhynchonella octoplicata, Sowerby. Upper white chalk. Magas pumila, Sowerby. Terebratula carnea, Sowerby. Terebratula biplicata, Brocch. Crania Parisiensis, Duf.
The brambles, in my district, harbour two other Osmiae, both of much smaller size: O. detrita, PEREZ, and O. parvula, DUF. The first is very common, the second very rare; and until now I have found only one of her nests, placed above a nest of O. detrita, in the same bramble.
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