GASTROPODA (pULMONATA). 
Moll. 79 
Arionta intercisa (Binn.): jaw, radula, and genital systems; A.redimita 
is a variety of it ; Binney, 1. c. p. 357. 
Helix tudiculata (Binn.) : note on it by Jousseaume, Bull. Soc. Z. Fr. 
1879, pp. 124-128. 
Helix (inormonum) var. n. circumcarinata ; Stearns, Ann. N. York Ac. 
i. Nov. 1879, with woodcut, Stanislaus County, near Turloch, California. 
Praticola, subg. n. Shell globular, irregularly plaited, aperture ex- 
panded, thickened internally, concealing a part of the narrow umbilicus. 
P. ocampi, sp. n., Mexico, anatomically described ; H. ampla (Pfr.) is 
probably its young state : Strebel & Pfeifer, I c. pp. 38-40 ; shell, pi. ii. 
ligs. 2 & 6 ; anatomy, pi. x. fig, 1 a-f. II. flavescens (Wiegm.), griseola 
(Pfr.), and herlandieriana (Meric.), are described and referred to this 
subgenus ; 1. c, pp. 41 & 42. [Name too near Pratincola (Koch), in 
Aves.'\ 
Pomatia Tiumholdtiana (Val.) : genital system and radula ; Binney, 1. c. 
p. 336, pi. ii. figs, j & h. Referred with some doubt to the subgenus 
A rionta by Strebel & Pfeifer, Mex , Land. Conch, iv. p. 35. 
Odontura exiinia (Pfr,), ghieshreghti (Ngst,), and sigmoides (Morelet). 
Notes on the shells, the last probably not adult ; iid. 1. c. pp. 36-38. 
Corasia (?) guillarmodi (Shuttl.) and hicincta (Pfr.), Cordova and 
Oajaca, Mexico; iid. 1. c. pp. 50 & 51, the latter pi. xiii. fig. 17. 
Helix. Species from the West Indies : — 
PlagioptycTia duclosiana (Fer.) : jaw as in Hemitrochus milleriy radula 
figured ; Binney, 1. c. p. 335, pi. i. fig. c. 
Helix duclosiana, var. n. ahacoensis, Abaco Island, Bahamas, Martens, in 
Pfeiffer’s Novi tat. v. p. 187, pi. cliv. figs. 9-11. 
Hemitrochus milleri (Pfr.). Jaw with a single rib-like prominence, 
terminating into a median projection of the cutting edge ; radula as in 
II. varians and trosclieli : Binney, 1. c. p. 335, pi. i. figs, a & b. 
Helix x>icta (Born) and alauda (Fer.) : distribution of the varieties in 
Cuba; Arango y Molina, Faun, malac. Cubana, pp. 62 & 73. 
Helix. South American species : — 
Guesteria hranichii, sp. n., Lubomirski, Bull. Soc. Z. Fr, 1879, p. 113, 
with fig., Peru. 
Helix (^Systrophiai) pseudo-planorhis, sp. n., id. P. Z. S. 1879, p. 719, 
pi. Iv. figs. 1-3, Pujupe, Peru, 10,000 feet above the sea. 
[Aysmoe] Helix costaricensis (Roth.) : on its variability ; Angas, 
P. Z. S. 1879, p. 476. 
Helix {Isomeria) stohmanni, sp. n., Lubomirski, 1. c. p. 720, pi. Iv. 
figs. 4-6, Montana de Palto, Peru. 
Isomeria loxensis, sp. n.. Miller, Mai. Bl. (2) i. p. 118, pi. xii. fig. 1, 
Prov. Loja, Ecuador [= Helix hartwegi (Pfr.) ; Dohrn, JB. mal. Ges. vii. 
p. 86]. 
Helix {Solaropsis) tiloriensis, sp. n., Angas, 1. c. p. 477, pi. xl. fig. 2, 
Costa Rica. 
Helix {Oxychona) zhorquinensis, sp. n,, id. 1. c. p. 475, pi. xl. fig. 1, 
Costa Rica. 
