412 REV. H. B.TRISTRAM ON GUATEMALAN MOLLUSKS. [NoV. 10, 



ornati ; anfract. ultimus subtus delicate striatus ; peristomium 

 subrufum, politum, rejlexum ; apertura semilunaris. 



Diam. maj. 3 mill., min. vix 3 mill., alt. 2^ mill. 



Hab. Mountain-forests of Vera Paz. 



.53. BuLiMUS UNDATUS, Brug. 

 Hab. Duenas. 



54. BuLiMUS viRGTJLATUs, Fcr. 

 Hab. Vera Paz. 



55. ACHATINA ? 



Hab. Vera Paz. 



56. ACHATINA 1 



These two species, allied to A. trypano'ides and A. octona, have 

 been sent to Dr. Pfeiffer for description. 



57. Glandina binneyana, Pfr. 

 Hab. Vera Paz. 



58. Glandina monilifera, Pfr. 

 Hab. Forests of Vera Paz. 



59. Spiraxis nigricans, Pfr. 

 Hab. Near Lake Peten, Vera Paz. 



60. Physa atjrantia, Lara. 

 Hab. Vera Paz. 



61. Physa elliptica. Say. 



Variety. Scarcely sufHcieutly distinct to be specifically described, 

 but rather more elongated. 

 Hab. Dueiias. 



62. Cylindrella arctispira, Pfr. 

 Hab. Vera Paz. 



63. Chondropoma ottonis, Pfr. 

 H^ab. Dueiias and Vera Paz. 



64. CiSTULA trochlearis, Pfr. 



Variety. Larger and more richly coloured than the specimen 

 from Duenas. 

 Hab. Vera Paz. 



65. Schasicheila alata, Menke. 

 Hab. Vera Paz. 



66. Schasicheila — — , sp. indeter. 

 Specimens imperfect. 



Hab. Vera Paz. 



