GASTROPODA (pULMONATA). 
Moll. 63 
nucleum cucullatum clypeo adhmrentom desinens.” A. chaperi , sp. n., 
Morelet, J. de Couch, xxxi. p. 395, pi. x. fig. 1, Assiuie, Guinea. 
Viquesnelia atlantica (Morel.) from the Azores, anatomically described 
by Arruda Furtado, J. Sci. Lisb. viii. [1882] pp. 305-309, with a plate; jaw 
smooth, without median projection ; teeth of the radula elongated, 
slender, median smaller, lateral somewhat blunt, bifid, marginals with 
one long prominent pointed cusp [mentioned in the preceding volume of 
Zool. Rec., but now seen by the Recorder]. 
Parniacella olivieri (Cuv.). Anatomical description by H. Simroth. 
There are two albuminous glands, but no sagitta, which is represented 
by two permanent muscular bags, having the function of two irritatory 
organs, and the male organ is roughened. The author thinks that this 
genus may be the most highly developed among the Pulmonata. JB. 
mal. Ges. x. pp. 1-47, pi. i. 
Vitrina pellucida (Mull.) var. n. brunncnsis , 7 millim. large, from 
Brunn ; Ulicny, Mal. Bl. (2) vi. pp. 200-203. 
Vitrina Jcotulce. , sp. n., Westerlund, JB. mal. Ges. x. p. 54, Tatra, 
Carpathian Mountains. 
Vitrina cxilis (Morel.) from Alaska, distinct from pellucida (Mull.) ; 
Krause, SB. nat. Fr. 1883, p. 36. 
Vitrina nivalis (Charp.) = alpesiris (Clcssin), Little St. Bernard and 
Mont Cenis ; Bottger, Ber. offenb. Yer. xxii. p. 159. 
Vitrina annularis (Stud.) from the Crimea ; Clessin, Mal. Bl. (2) vi. 
p. 41, pi. iii. fig. 8, radula fig. 9. 
Vitrina milne-edwardsiana , raffrayi , and herbini , spp. nn., Bourguignat, 
Mal. Abyss, pp. 18-23, pi. vii. figs. 1-3 & 7-9, Hamacen and Abuna- 
Yusef, Abyssinia. 
Vitrina amcena, sp. n., Morelet, J. de Conch, xxxi. p. 397, pi. x. fig. 2, 
Angola. 
Vitrinozonites (Binney, 1879) latissimus (Lewis). Living animal and 
radula; Binney, Bull. Mus. C. Z. xi. p. 154, pi. iii. fig. a, genitalia fig. 5, 
radula pi. i. fig. h. 
Helicarion imperator (Gould) var. n. imperatrix ; Westerlund, Nachr. 
mal. Ges. 1883, p. 49, Hongkong. 
Helicarion boeltgeri , sp. n., Hilber, SB. Ak. Wien, lxxxviii. Abth. 1 , 
p. 1355, pi. iv. fig. 4, Prov. Se-chuen, China. 
Austenia (Nevill), subg. of Helicarion. Its characters exposed ; shell 
lobes connected all round the periphery of the mantle zone; an un- 
broken ridge on the upper surface of the foot ; dart-sac always present. 
A. plano-spira * (Bens.), bensoni (Pfr.) with var. n. sylhetcnsisf salia 
(Bens.) with var. n. ovata, Darjiling, A. ? panchetensis ) sp. n., Lower 
Bengal, papilla-spira , sp. n., North Khasi Hills, and ? globosa (Godw.- 
Aust ), the species marked with an asterisk anatomically described ; 
Godwin-Austen, Land and Freshw. Moll, of India, iv. pp. 148-154, 
pis. xxxvi.-xxxviii. 
Africarion , subg. n. of Helicarion. Mantle-lobes finely and distinctly 
papillate, right dorsal lobe small, left very ample ; the ridge of foot 
behind forks into two ridges just beneath the posterior margin of the 
shell, and this portion of the shell rests in the long triangular depres- 
1883 . [VOL. XX.] b 16 
