- EXPLANATION OF PLATES. 661 
Fig. 7. Helix (Oxychona ?) trigonostoma, var. stolliana, n. (p. 155), 
7 a, view from below. | 
8. ( ) » var. freytagiana (Dohrn), n. (p. 155), Honduras: 8 a, view from below. 
9. —— (—_) , ditto, Honduras, Dohrn’s typical specimen: 9 a, view from below. . 
10. —— (——) altispira (Dohrn), n. (p. 156), Honduras, Dohrn’s typical specimen; 
10 a, view from below; 10 6, sculpture, 2. 
( ) trigonostoma, Pfr., var. stolliana, n. (p. 155), Cholhuitz, living animals 
from drawings by Dr. O. Stoll. 
Cerro Zunil, another specimen : 
11, 12. 
PLATE X. 
Fig. 1. Strobila salvini, Tristr, (p. 174), Vera Paz, $: 1 a, 6, views from above and from below ; 
1c, young specimen, seen from below, showing the spiral lamelle, same magnification. 
2. Labyrinthus triplicatus, v. Mart. (p. 176), Costa Rica, original specimen given by 
J. Carmiol to the Berlin Museum: 2 a, view from below ; 2 4, c, enlarged views of the 
aperture, showing the difference in the size of the plaits in two specimens. 
3. Ortalichus princeps, Sow. (p. 182), very young specimen from Zapote ; 8 a, 6, c, different 
views. 
4, » very large, probably full-grown, specimen, Vera Cruz. 
5. —— » normal specimen, Chacoj, collected by Uhde. 
6. —— , Smaller specimen with reduced streaks, Costa Rica. 
7. — , var. fischeri, n. (p. 188), San Isidro. 
8. —— ferussaci, v. Mart. (p. 184), Zacapa. 
9 , Tehuantepec, one of the typical specimens of my first description. 
peers 
ceeemenecemeen 
10. , Zacapa, living animal, from a drawing made by Dr. O. Stoll. 
11. lividus, v. Mart. (p. 186), Volcan Jorullo, typical specimen, very large. 
12. zoniferus, Strebel (p. 186), specimen received from Gust. Schneider, probably 
coming from Strebel’s collection. 
13. —— » Venta de Zopilote. 
PLATE XI. 
Figs. 1, 2,3. Ortalichus maclure, n. (p. 188), Cacao, Nicaragua, three differently-coloured specimens 
from the same locality. 
boucardi, Pfr. (p. 187), Villa Alta. 
melanochilus, Val. (p. 190), specimen from an unknown locality, most like the type 
4, 5. 
6. 
of Valenciennes. 
7. , Tres Marias Is.: 7 a, back view. 
8. tricinctus, n. (p. 185), Terraba. 
9. ponderosus, Strebel (p. 190), Dos Arroyos. 
10. —— , San Blas. 
FT. boucardi, Pfr., var. (p. 187), specimen with more numerous streaks, Oaxaca. 
