156 AMERICAN JOUKNAL 



enlarging ; suture deeply impressed ; spire slightly elevated ; 

 umbilicus wide, deep, exposing all the whorls ; outer lip sharp. 

 Diameter 0-125 inch ; height 0-075 inch. 



The shell of this species has great affinity to that of H. minu- 

 tisshna, Lea, and H. milium, Morse. 



H. BlaTceana inhabits the Chontales forest ; one specimen 

 only was preserved. It is dedicated to Dr. C. Carter Blake, my 

 late colleague in Nicaragua, in pleasing remembrance of his 

 assistance and genial companionship in many excursions. 



? Helix sp. " As large as H. Pomatia, at Acota." Blake. 

 [Helix plicata, Born. 



Forest, north shore of Naval Bay, Colon.] 



13. BuLiMUS ZEBRA, Muller. 



Throughout the country ; living in small isolated colonies on 

 the trees in the Chontales forest. 



14. BuLiMUS Berendti, Pfr. 



Forest on the banks of the river San Juan, Castillo, and Tore 

 Rapids. Recorded from Bolivia. 



15. BuLiMUS UNicoLOR, Sowerby. 



In copses in the savanna region, Grenada, Masapa, and San 

 Nicolas. Also occurs in Panama. 



16. BuLiMUS PARVUS, Lea. 

 Living with B. unicolor. 



17. BuLiMUS CASTUS, Pfr. ? (juvenis.) 



Javali and on Peiia Blanca, at about 2500 feet elevation ; in 

 the Chontales forest. 



18. BULIMUS MACULATUS, Lea. 



Copses in the savanna region, San Nicolas. Recorded from 

 New Grenada. 



19. BULIMUS DISCREPANS, Sowb. 



Savanna region, Grenada, Masapa, San Nicolas. 



20. BuLiMUS COSTATO-STRIATUS, d'Orbigny. 



At the bases of trees in the savannas, San Nicolas, and Gre- 

 nada, and in the moist forest on the San Juan, Toro Rapids. 

 This species also inhabits Cuba. 



