208 Transactions. — Zoology. 



E. jeffreysiana, Pfeiffer (1851). 



Horny with chestnut streaks ; spire flat ; whorls 4 ; striated ; umbilicus 

 very broad, perspective. Diameter *28 ineh. Dentition, 9-0-9. 



North Island. — Auckland (Cheesemau, Gillies). 



The shell of this species closely resembles that of Amphidoxa crebriflam- 

 mis, but the spire is flatter and the umbilicus wider. 

 Genus Rhytida, Albers. 



Shell umbilicated, thin, wrinkled and malleated, of few rapidly increas- 

 ing whorls ; aperture oblique. 



E. dunnijE, Gray (1841). 



Brown ; umbilicus moderate ; periphery sharply keeled. Diameter 

 •95 inch. 



North Island. — Bay of Islands (Colenso) ; Auckland (Gillies). 



B. greenwoodi, Gray (1849). 



Olive-brown ; umbilicus moderate, often obtusely keeled ; periphery 

 rounded. Diameter -92 inch. Dentition, 10-0-10. 



North Island. — Auckland (Greenwood, Cheeseman) ; Hawke's Bay 

 (Colenso). 



B. patula, Hutton (1882). Horny brown ; umbilicus rather narrow, 

 not keeled ; aperture very oblique. Diameter -9 inch. Dentition, 14-0-14 

 to 18-0-18. Outer tooth but one with an angular ridge. 



South Island. — Greymouth (Helms) ; Balclutha (F.W.H.). 



B. citeina, Hutton (1882). 



Yellowish olive, pellucid ; umbilicus narrow. Diameter *8 inch. Den- 

 tition, 17-0-17. Teeth smooth, the outer tooth much smaller. 



South Island. — Greymouth (Helms) ; Buller Biver (Haast). 



B. austealis, Hutton (1882). 



Olive brown; umbilicus narrow. Diameter *44 inch. Dentition, 16-0-16. 

 Teeth smooth, the two outer ones much smaller. 



Stewart Island (T. Kirk). 



Perhaps a variety of the last species. 



B. urnula, Pfeiffer (1854). 



Greenish brown ; umbilicus very narrow, covered. Diameter *63 inch. 



North Island.— Wellington (F.W.H., T. W. Kirk) ; Pohui. 

 Fam. Testacellidte. 



Animal limaciform, with a small shell on the posterior part of the back. 

 Genus Daudebardia, Hartmann. 



Shell depressed, paucispiral. Teeth not barbed. 



D. neozelanica, Pfeiffer (1862). 



Shell of 2^ whorls, fulvous brown, distinctly striated ; columella thickly 

 callous above. Diameter •& inch. 



