37 



Found on dead leaves in the clefts of rocks in the mountains of 

 Cobija.— G. B. S. 



BuLiNus Laurentii. Bul. lestd ovato-pyramidali, tenui, alhicante, 

 transversim fusco fasciatd į anfractibus quinque, Itevibus, ventri- 

 cosis, gradatim majoribus ; suturd distinctd ; aperturdfere circu- 

 lari ; umbilico mediocri ; lobio tenui: long. 055, lat. O' 3 poli. 

 Hab. in Peruvia. 

 Var. jS. testą omnino albicante. 



Found on stenės on the top of the mountain in the Island of San 

 Lorenzo, Bay of Callao, Peru, about 250Q feet above the level of the 

 aea.— G. B. S. 



BuLiNUS UNiFASCiATUs. Bttl. testd ovato-subpyramidali, tenui, pel- 

 lucidd, brunned, fascid unicd albidd; anfractibus 5 — 6, ventricosis, 

 longitudinaliter striatis, nitidis ; aperturd ellipticd, superne acu- 

 minatd ; labio tenui; umbilico parvo : long. 0"8, lat. O' 45 poli. 



Hab. ad Insulas Gallapagos. 



Found under detached pieces of lava on Charles's Island, one of 

 the Gallapagos.— G. B. S. 



BūLiNus BiLiNEATUs. Bul. tcstd ovūto-oblongd, tenuiusculd, palles- 

 cente, lineis duobus brunneis tronsversis, interstitio albo ; anfrac- 

 tibus 6 — 7, Icevibus, ventricosis, longitudinaliter striotis ; suturd 

 distinctd; aperturd ovatd ; labio tenui; umbilico parvo: long. 

 0-65, lat. 0-25 poli. 

 Hab. ad Sanctam Elenam et in Columbid Occidentali. 

 Variat coloribus saturatioribus vel paUidioribus. 

 Found under stones at St. Elena, and buried in the earth under 

 bushes in the Island of Plata on the coast of West Columbia,— 

 G. B. S. 



BuLiNUS coENET's. Bul. tcstd ovūtd, obtusd, tenui, pellucidd, cor- 

 ned ; anfractibus 5 — 6, ventricosis, longitudinaliter striotis, lavi- 

 bus; suturd distinctd; aperturd ovatd ; labio tenui ; umbilico medio- 

 cri: long. 0"6, lot. 0'3 poli. 



Hob. in America Centrali. 



Found under decayed grass at Real Liejos. — G. B. S. 



BuLiNiTS ERYTHROSTOMA. Bul. tcstd ovūto-subglobosd, olbd ; spiru 

 obtusd, conicd; anfractibus quinque, ventricosis, ininutissime grano- 

 sis; aperturd ellipticd, intils rubente; labio tenui ; umbilico magno : 

 long. O" 8, lat. O' 6 poli. 

 Hab. apud Huasco, ChUise. 



One young specimen is covered Vfith. longitudinal streaks of red- 

 dish browTi ; and one adult shell has its lip thickened, but not re- 

 flected. Found under bushes. — G. B. S. 



BuLiNUS CHRYSALiDiFORMis. Bul. tcstd ovoto-oMongd, medio ven- 

 tricosiore, tenui, Itevigotd, albd, suturd labioque externo refleio 

 brunneis; anfractibus 6 — 7, rotUndatis; aperturd longiusculd ; um- 

 bilico minimo : long. 29, lat. I' I poli. 



