164 
MOLLUSCA. 
1. c. pp. 342 & 343 ; Binney, op. cit. xi. p. 20, pi. v. fig. 6, and P. Ac. 
Philad. 1874, p. 66, pi. x. fig. 8. 
II. (Thelidomus) discolor (F^r.), jaw and radula : Binney, P.. Ac. 
Philad. 1874, p. 51, pi. x. fig. 1 ; genital organs, id. Ann. Lyc. N. York, xi. 
p. 27, pi. ii. fig. ix. II. (T.) notabilis (Shuttl.), lima (F^r.), and provi- 
soria (Pfr.), jaw and radula ; id. P. Ac. Philad. 1874, pp. 60 & 56, pi. ix. 
fig. 10 ; Bland & Biunoy, Ann. Lyc. N. York, x. p. 347. 
H. {Eurycratera) angulata (F4r.), jaw and radula; Binney, P. Ac. 
Philad. 1874, p. 50, pi. ix. fig. 5. H. (J5J.) crispata (F4r.), radula ; id. 1. c. 
p. 56, pi. X. fig. 9. 
H. {Folydontes) luquillensis (Shuttl.), radula ; id. 1. q. p. 50, pi. x. 
figs. 2-4. 
H. (Dentellaria) hadia (Fdr.), nux-denticulata (Chemn.), nucleola 
(Rang) and josephince (F«5r.), jaw, radula, and genital organs ; id. 1. c. 
pp. 52 & 67, pi. ix. fig. 8, and Ann^ Lyc. K. York, xi. pp. 26 & 27, pis. ii. 
fig. 6, V. figs. 8 & 9. H. {D.) formosa (F4r.), jaw and radula ; id. 1. c. 
p. 52. Notes on the occurrence and colours of the hving animals in 
several species by Maz4, J. de Conch, xxii. pp. 159-162. 
[Cepolis ?] Helix macneili (Crosse); Crosse, J. de Conch, xxii. p. 71, 
pi. ii. fig. 3, Nicaragua. 
Pleurodonta invalida (Ad.), jaw wi^h 2 ribs ; a short flagellum. Sem- 
per, Reis. Arch. Philipp, iii. p. 16. Helix (P/.) chemnitziana (Pfr.) and 
carmelita (Per.), jaw with about 6 ribs ; Binney, 1. c. pp. 51 & 58. 
\_LahyrintTius'\ Helix erecta (Mouss.) ; Pfeiffer, Novitat. Conch, iv. 
pi. cxxvii. figs. 1-3. 
[Isomeria'] H. subelliptica and basidens (Mouss.) ; id. 1. c. figs. 4-6, 
& 7-9. 
Helix (Caracolus) marginella (Gmel.), jaw and 'radula ; Binney, 1. c. 
p. 61. H. (C.) excellens (Pfr.), radula ; id. 1. c. p. 68, pi. x. figs. 6 & 7. 
H. (C.) marginella, peculiar to Portorico, and bizonalis (Desh.) to 
Hayti ; Bland, Ann. Lyc. N. York, xi. pp. 80 & 81. H. bermudensis, see 
above, p. 157. 
H. Guyana (Strobel) ; Strobel, Malac. Argent, p. 11, Angostura, Ar- 
gentine States. 
Cochlostyla (F4r., Mart.). Form of the shell very variable ; kidney 
long, ribbon-shaped ; a globose or ovate accessory gland instead of the 
multifid vesicles : dart simple, stiletto -shaped ; no flagellum. In some 
species, a small cervical lobe of the mantle. The groups Axina and 
Corasia are to be united with this genus, as proposed by Dohrn and the 
Recorder, but Chlorcea is nearer Fruticicola. Semper, Reis. Arch. Phi- 
lippin. iii. pp. 164-168. C. cineracea, flammulata, turris, montana, lace- 
rata, limansanensis, suprabadia, erubescens, and lividicincta, spp. nn., 
figured, but not described ; id. 1. c. pi. ix. figs. 1-9. 
Cochlostyla poly morpha, sp. n., Tapparone-Canefri, Malac. viagg. Ma- 
genta, p. 82, pi. ii. fig. 4, Singapore [= Bulimus comes, Pfr.]. 
Cochlostyla fulgetrum (Brod.), radula ; Binney, P. Ac. Philad. 1874, 
p. 59, pi. V. figs. 14-16. 
