660 
Fig. 
Fig. 
Fig. 
EXPLANATION OF PLATES. 
10. Polygyra ventrosula, Pfr. (p. 169), Tres Marias Is.: 10a and 104, views from above 
and from below; 10 c, enlarged view of the aperture. 
11. , var. hindsi, Pfr. (p. 169), Tres Marias Is. 
12. Helix (Praticolella) berlandieriana, Moric. (p. 140), Vera Cruz, large specimen: 12a, view 
from below ; 12 6, smallest specimen from Vera Cruz, mentioned on p. 141 (incorrectly 
quoted as fig. 14). 
13. ( ) , var. griseola, Pfr., smallest specimen, Vera Cruz (p. 142). 
14. ( ) , unusually flat specimen, Vera Cruz (p. 142). 
15. ( ) , var. griseola, Pfr. (p. 140), Vera Cruz, unusually large specimen. 
16. (—) , ditto, Vera Cruz, small but full-grown specimen: 16a, view from 
below. 
17. ( ) , ditto, not full-grown specimen, nearly unicolorous, also from Vera 
Cruz, p. 142. 
18. —— (Arionta) flavescens, Wiegm. (p. 142), Misantla: 18a, 3, c, views from three sides ; 
18 d, coloration of the upper, 18 e, of the lower side, both enlarged. 
19. —— (Pomatia) aspersa, Miill. (p. 144), Mexican specimen obtained by Hoge, unusually 
high. 
20. —— (Lysinoé) humboldtiana, Férussac, var. hogeana,n. (p.148) , Chihuahua, smaller specimen. 
21. ( ) , ditto, ditto, larger specimen. 
22. ( ) , var. badiocincta, Wiegm. (p. 148), Mexico: 22a, dorsal view. 
PLATE VIII. 
1. Helix (Lysinoé) ghiesbreghti, Nyst, var. subaurantia, n. (p. 151), Purula: 1 a, dorsal view ; 
1 b, from below ; 1 ¢, hairs of the upper surface, +; 1d, those of the lower surface, +. 
2. ( ) , var. strubelli, Bottg. (p. 151), Mosquito Coast, typical specimen of 
Bottger. 
3. ( ) , typica (p. 150), young specimen, Cerro Zunil: 34a, hairs of the upper 
surface, $. 
4. ( ) , Hacienda Buenavista, living animal, from a drawing by Dr. O. Stoll. 
PLATE IX, 
1. Helix (Oxychona ?) trigonostoma, Ptr., var. intermedia, Fisch. & Cr. (p. 155), Cerro Zunil: 
1a, view from below. 
, var. stolliana (p. 155), Cerro Zunil: 2 a, view from below. 
, ditto, Cerro Zunil, another specimen : 3a, view from below. 
, ditto, Cholhuitz *: 4a, view from below. 
, ditto, Cerro Zunil: 5 a, view from below. 
, var. elevato-conica, Fisch. & Cr. (p. 154), Vera Paz: 6a, view from 
Aaa ww 
ee a a 
below. 
* This locality was not specially mentioned on p. 155: it is on the Pacific slope of Guatemala 
