Zoological Societij. 179 



charge of the three plates of Arthropod forms, the latter of the 

 single plate of Annelida and Eutozoa. The classification adopted 

 calls for little remark, although we cannot but regret that some slight 

 confusion seems to have crept into Mr. White's arrangements. Thus 

 in the first plate we have the order Thysanura introduced — perhaps 

 justly, on account of its close alliance with the Myriapoda; but we do 

 not know why the Myriapoda should be designated an Order if sepa- 

 rated from the true Insects ; nor can we justify the establishment of 

 the separate orders Arachnida, Acaridae, and Pycnogonida, with no 

 indication of the class to which they may be referred. Under the 

 class Crustacea we find the ordinary subdivisions; but even here the 

 group of Malacostraca is denominated a subclass, whilst its equiva- 

 lents the Entomostraca and Cirripedia are called divisions. These 

 maybe slight objections; but to beginners, for whose use these plates 

 are intended, they will be sufficiently puzzling. The plate of Worms, 

 illustrating its subject far less completely, is open to no objections of 

 this kind. We notice, however, that Pentastoma (Linguatula) is 

 placed here amongst the Entozoa, although its true place appears to 

 be with the Mites, and that Dr. Baird still retains a family of Cysti- 

 cercidae in spite of recent researches. 



The subjects have been selected with great judgment. They are 

 for the most part, if not entirely, copied from well-known works, and 

 the plates have been well engraved by Mr. Lowry. As companion 

 illustrations to popular works on Natural History they will prove of 

 great service, and we think would be rendered still more valuable to 

 the young naturalist by the addition of two or three pages of letter- 

 press contaming a real " Tabular View " of the classes illustrated. 



PROCEEDINGS OF LEARNED SOCIETIES. 



ZOOLOGICAL SOCIETY. 



March 26, 1861.— Dr. J. E. Gray, V P., in the Chair. 



On the Ophidians of the Province of Bahia, Brazil. 

 By Dr. Otho Wucherer, Corr. Memb. 



In the present paper I propose to give a list of the Snakes of the 

 province of Bahia which I have been able to collect during the last 

 two years, enumerating them in the order in which they occur in the 

 Catalogues of the British Museum, and adding such remarks as I 

 may be enabled to make. 



Of the family of Crotalidce I have seen : — 



1 . Craspedocephalus atrox. 



2. C. bilineatus. 

 '6. Lachesis mutus. 



4. Crotalus horridus. 

 Of these the first seems to be the most common, particularly in some 

 districts. To judge by what I have heard of the danger of its fre- 

 quent bite, and what is commonly stated concerning the number of 

 victims of the Fer de lance in the West Indies, C. atrox is a much 



12* 



