EXPLANATION OF PLATES. 657 
PLATE IV. 
Fig. 1. Glandina lanceolata, n. (p. 69), Omilteme : 1 a, summit of the shell, ?; 16, sculpture at 
the suture, 3. 
20 mazatlanica, n. (p. 65): 2a, sculpture at the suture, 3. 
3. —— » var, abbreviata, n. (p. 65), Tres Marias Is. 
4, pseudoturris, Strebel (p. 65), Tierra Colorada: 4a, sculpture at the suture, }. 
5, simplex, Strebel (p. 66), Oaxaca, typical specimen in the Berlin Museum: 5 a, 
sculpture at the suture, ?. 
6. » “Mexico,” typical specimen of G. candida, Shuttleworth, in the Berne 
Museum. 
7. —— cumingi, Beck, var. flavida, n. (p. 59), Retalhuleu, drawing of living animal made by 
Dr. O. Stoll. 
8. —— conularis, Pfr. (p. 66), “ Mexico,” typical specimen in the British Museum, drawn 
by E. Smith. 
2. - excavata, n. (p. 67), Mazatlan: 9a, lateral view of the aperture. 
10. albersi, Pfr. (p. 75), Tres Marias Is.: 10 a, sculpture of the suture, 3. 
ll. —— , var. inflata, n. (p. 75), Tepic. 
12. decidua, Pir. (p. 70), Juquila, from a specimen in the British Museum. 
13. , Juquila, not full-grown, Pfeiffer’s original specimen in the British Museum, 
| both drawn by E. Smith. 
14, largillierti, Pfr. (p. 67), Merida, Yucatan : 14 a, summit of the shell, ? ; 14.6, sculpture 
at the suture, 3; 14 ¢ and 14d, younger specimens from the same locality. 
15. , another specimen from Merida, differing in shape, but quite similar in sculpture 
and colour. 
16. turgida, Pfr. (p. 73), Juquila, typical specimen in the British Museum, drawn by 
E. Smith. 
17-20. , var. sayulana, un. (p. 73), four specimens, from Sayula, somewhat different 
in form: 20a, summit of the shell, 3. 
PLATE V. 
Fig. 1. Glandina sulcifera, n. (p. 74), Jalisco: 1a, summit of the shell, ?; 26, sculpture at the 
suture, #. 
2. filosa, Pfr. (p. 74), Orizaba, specimen from Pfeiffer’s collection: 2a, summit, 
2 6, sculpture at the suture, both }. 
3. fischeri, nu. (p. 74), Toluca: 3a, summit, ?. 
A. delicatula, Shuttl. (p. 70), Cordova, typical specimen from Shuttleworth’s collection 
in the Berne Museum. 
ss , var. major, n. (p. 70), Coatepec: 5 a, sculpture at the suture, 4, 
6. oblonga, Pfr. (p. 69), specimen from Pfeiffer’s collection, now in Stettin: 6a, summit, ¢; 
6 4, sculpture at the suture, 4. ae 
2. nana, Shuttl. (p. 77), Cordova, typical specimen from Shuttleworth’s collection in 
the Berne Museum. 
BIOL. CENTR.-AMER., Terr. and Fluviat. Mollusca, April 1901. 83 
