_ HELIX. 131 
CoMPARATIVE TABLE OF THE SPECIES OF THE SUBGENUS ACANTHINULA. 
| 
Nomen. Forma, Basis. Sculptura. | Coloratio. | Peristoma.|Diam.} Alt. | Anfr. Patria. 
| 
. . | mm, | mm 
excoides, Tate ...) conoideo-glo-| perforata. lamellse rugulosse,) corneo-fusca. | rectum. 3 3 4 Honduras, Centr. | 
bosa. | oblique. Nicaragua. 
granum, Strebel... ” ” costulze obsolete | pallide cornea. ” 2:8 28 43 | Florida, E. Mexico, 
et rugule ob- Yucatan. 
liquee. 
punctum, Morel. .| globoso-tur- | (obtecte) per-| ? corneo-rufa. ” 13 13 34 | 8.E. Mexico, - 
binata. forata. Yucatan. 
guatemalensis, |turbinato-glo- perforata. oblique striolata. | cornea. » 2 2 4 N. & W. Guatemala. 
Cr. & Fisch. bosa. 
intonsa, Pilsbry...| elate globoso-| anguste um- levissime stria- | castanea. ” 18 2 6 E. Mexico. 
turbinata. bilicata. tula, sparsim 
| pilosa. 
} 
1. Helix cacoides. 
Heliz cecoides, Tate, Am. Journ. Conch. v. p. 155, t. 16. fig. 2 (1870)’; Pfr. Monogr. Helic. Vivent. 
vil. p. 77°. 
Pseudohyalina cecoides (Tate), Ancey, Ann. de Malac. ii. p. 239 (1886) *. 
Hab. Honvuras: Utilla Island °. 
CrentraL Nicaragua: Chontales forest, amongst moss on trees, in company with 
Guppya gundlachi (Tate +). 
2. Helix granum. 
Acanthinula granum, Strebel, Beitr. Mex. Land- und Siissw.-Conch. iv. p. 31, t. 4. fig. 13°; Binney, 
Terr. air-breath. Moll. N. Am., Suppl. iii. (Bull. Mus. Comp. Zool. Harv. Coll. xix.) p. 200, 
with fig.* (nec Helix granum, Pfr.). 
Patula granum (Streb.), Pilsbry, Proc. Acad. Phil. 1891, p. 314°. 
Hab. Norta America: Florida ?. 
E. Mexico: Hacienda de Mirador, near Jalapa (Strebel '). 
Yucatan: Progreso, an albino specimen (//ez/prin °). 
The sculpture of this shell somewhat resembles that of Putwla, section Thysanophora. 
3. Helix punctum. (Tab. VII. figg. 3, 3a, 4.) 
Helix punctum, Morelet, Test. Noviss. ii. p. 9 (1851) *; Pfr. Monogr. Helic. Vivent. iii. p. 43 *. 
Helix (Patula) punctum (Morel.), Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 228, t. 12. 
figg. 1, La, 6°. 
Hab. S.E. Mexico: San Juan Bautista, Tabasco (H. H. Smith). 
Yucatan: Merida, in the gardens of the city, upon the leaves of trees (Morelet }~*).. 
Seems to be distinct from H. granum by its smaller size and somewhat smoother 
17* 
