14 ZOOLOGISCHE MEDEDEELINGEN — DEEL TV. 



Fam. V i r i p a r i d a e. 

 Vi v ip a r a Lamarck. 

 1. Vivipara decipiens Tapparone Canefri. 

 , Tapp. Canefri. Fauna Mal. N. Guinea, p. 20, Pi, 1, fig. 1, 2. 



Zoutbron, June July 1910; upper part of Sermorvai-river, small rivu- 

 lets, April 24, 1911; Lake Sentani, muddy shore, Jan. 19, 1911. 



The specimens are smaller (alt. 18 mill., 21 in type) but otherwise 

 agree sufficiently with the description and figures of Tapp. Canefri ; they 

 are allied to V. novoguinensis Leschke (Mitth. Naturhist. Museum Ham- 

 burg, 1912, p. 130), but they are larger, the largest specimen of that 

 species being 15 mill., I see nothing of the conspicuous angle at the 

 periphery of last whorl mentioned by Leschke. The apical whorls are 

 dark, spirally lirate, a character not mentioned by any of the authors. 

 Numerous specimens especially from Zoutbron. 



2. Vivipara tricostata Lesson, var. muUifuniculata Bavay. 

 Bavay. Nova Guinea, Zool. Vol. V, p. 271, PL 14, fig. 2. 



Lake Sentani, muddy shore, Jan. 19, 1911. 



The specimens agree very well with typical ones, which I got for 

 comparison ; the median keel on the last whorl is often very faint, scarcely 

 distinguishable from the spiral lirae; I cannot agree with the view that 

 this species should be the same as V. costata Q. & G. from Celebes; 

 the type of tricostata figured by Bavay (1. c. PI. 1, fig. 1), appears to 

 be quite different, the var. muUifuniculata much more resembles V. costata, 

 but that variety has a blunt keel around the umbilicus, ending in a 

 small channel at the base of aperture, of which I find no trace in rather 

 numerous specimens of V. costata from Celebes, which has an aperture 

 with rounded base. 



Fam. Cyclop ho ridae. 

 Jjcptopo m a Pfeiffer. 

 1. Leptopoma musicarense Fulton. 

 Fulton. Ann. Mag. Nat. Hist. Ser. 8, Vol. V, 1910, p. 372, 



Near the S.-coast of the Humboldtbay, May 18, 1910. 



Slightly differing from co-types received from Fulton, by faint spirals 

 on penultimate whorl, disappearing on last whorl and by the brown 

 lines on that whorl being interrupted ; of the two specimens received 

 from Fulton, one has also still fainter spirals, this character being evidently 

 slightly variable. 



