1871.] II. F. Blanford— On Camptoceras, Sfc. 39 



Mhacophorus maximus, Gfchr., — Assam, Khasi Hills and Jyntea 



Hills, ... 18 



„ maculatus, n. sp., And., Khasi Hills, ... <L 



HYLIDiE. 



Hyla cliinensis, Gthr., — Hotha and Ponsee, Ynnan, ... 34 



HYL^DACTYLIL M, 



Callula pulchra, Gray, — Calcutta, Lower and Upper Burma, ... 7 

 Batraehia gradientia. 



SALAMANDEIDiE. 



Hydrodactylus, n. sp., And., — Yunan, ... 12 



On some undescribed species of Camptoceras and otiier land 

 shells, by Henry F. Blaneord. 

 (With plate II.) 

 [Received 2nd December, read 7th December, 1870.] 



Of the species, now described, the two new forms of Camptoceras 

 were obtained recently by Major Godwin- Austen in Eastern Bengal. 

 TheAlycceus, and I believe the JDiplommatina,weve originally found by 

 myself many years since at JDarjeeling. The Glessulce and Helicarions 

 from the same place were obtained by Mr. Atkinson and Dr. Stoliczka. 



The discovery of two new forms of a genus, hitherto known only as 

 represented by the type species O. terebra, Bens., is of great interest ; 

 the more so that one of the new forms exhibits in only a slight 

 degree the abnormal character of the typical species, while the other 

 has this character as strongly marked as C. terebra ; to which indeed 

 it is closely allied. The conditions of habitat under which Major 

 Godwin- Austen found his specimens are somewhat different from 

 those of G. terebra, described by Mr. Benson. Major Austen is not, 

 however, sure that the specimens were living at the time that he met 

 with them, and it is quite compatible with the circumstances, that 

 C. Austeni and C. lineatum should, like C. terebra, naturally live 

 beneath the water. 



I may note that C. terebra (see pi. II, fig. 1,) has never been met 

 with by any collector, either at Moradabad or elsewhere, since its 

 original discovery by Dr. Bacon and Mr. Benson. 



