SuTER. — On New Zealand MoUusca. 125 



A. papillatns, to compare its anatomy with all the details 

 given by Dr. Siniroth. 



According to Simroth's able investigations (Nova Acta, 

 Bd. 54, Die Nacktschnecken Neu Seelands, p. 71, Sec), 

 and his utterances when speaking on the systematic position 

 of the Atlioracophoridce, it will be necessary to class A. papil- 

 latus and A. marmoreus in different sub-genera. He says dis- 

 tinctly that the most striking differences between the two 

 species in form and cross-section of the animals and genital 

 organs would almost justify the creation of two genera. 



The sub-genus Pseudaneitea has been proposed by T. D. A. 

 Cockerell (P. Z.S., 1891, p. 217) for slugs of New Zealand 

 and the Auckland Islands, resembling Athoracophoms, but 

 showing a decided tendency towards the formation of a 

 "mantle area" like that of Aneitca. The type and only 

 species is A. papillatus, Hutton, sp. 1879 {^verrucosus, Von 

 Martens, 1889). As sub-genus for A. marmoreus, Hutton, sp. 

 1879 {=marmoratus, Von Martens, 1889), must of course be 

 taken Konophora, the former generic name proposed by 

 Professor Hutton in 1879 (Trans. N.Z. Inst., vol. xi., p. 332), 



Neojanella duhia, Cockerell {I.e.), is nothing else but 

 A. hitcntaculatus, Quoy and Gaimard. I could show Mr. 

 Cockerell alcohol specimens of this slug which are lacking the 

 "mantle area" and dorsal groove, yet they were distinctly 

 visible when the animals were alive ; and also specimens of 

 A. hitentaculatus , with the back pale-yellowish, marbled all 

 over with black or dark-bluish grey. The specimen described 

 by Cockerell is a very large one (length 53mm.), and I 

 know of no other locality than the south side of Cook Strait 

 where A. hitentaculatus attains such a large size. 



8. Bulimus antipodarum, Gray, 1813, 



Is said to have been found at Kaitaia by Dieffenbach, and 

 recent collectors (Gillies and T. W. Kirk) are reported as 

 having found this shell at different places in the northern part 

 of the Province of Auckland. Opinions are divided as to the 

 validity of the species ; some consider it as the young of 

 Placostylus hovinus, others take it as a good species. I 

 therefore thought it well worth to investigate the question, 

 and wish now to say a few words on the subject. Looking at 

 the figure of B. antipodarum given by Smith (Voy. " Erebus " 

 and "Terror," ii., Moll., pi. i., fig. 5), andreading Gray's descrip- 

 tion (Dieffenbach' s New Zealand, ii., p. 247), one must come 

 to the conclusion that this shell cannot belong to the genus 

 Placostylus, the aperture being quite different, but it agrees in 

 every respect with Cochlostyla. This opinion was evidently 

 held also by the author of the species, for he says that it is 

 allied to B^ilivius fnlgctrnm, Broderip, from the Philippine 



