34 



acutiusculd ; anfractibus 6 convesiusculis, ultimo spiram tequante ; 



colmr.elld recedente, subarcuatd ; aperturd ovali, intus nitide albd ; 



peristomate simplice, recto, margine columellari albido, dilatato, 



subfornicatim reflexo. 

 Long. 32, diam. 15 mill. 

 From Cusoo. 



29. BuLiMUs BoLiviANUs, Pfr. Bul. testd perforatd, oblongo- 

 turritd, lineis impressis sub leiite minutissime deaissatd, nitidd, 

 albido -rubelld, fasciis lalis, badiis, subinterruptis ornatd; spird 

 turritd, apice acuto, rubru ; anfractibus 7 planis, ultimo convei- 

 iusculo, ^ longitudinis subaguanle ; columelld torto-plicatd, rosed ; 

 aperturd ovali-oblongd, intus concolore ; peristomate simplice, 

 margirie deitro breviter expanso, columellari perdilatato, refieio, 

 excavato, perforatiouem rimueformemfere tegente. 



Long. 33, diam. 13 mill. 

 From Merida, Andes of Bolivia. 



30. BuLiMUs Opaeanūs, Pfr. Bul. testd subimperforatd, subulatd, 

 longitudinaliter distincte striatd, tenui, hyalino-cered ; spird subu- 

 latd, acutiusculd ; anfractibus 9 vix convesiusculis, ultimo |- longi- 

 tudinis subcBąuante; columelld vix arcuatd ; aperturd oblongo-ovali ; 

 peristomate simplice, recto, margine columellari f ornicatim brevis- 

 sime reflexo, adnato 



Long. 11, diam. 3 mill. (Spec. max.) 



From the island of Opara ; found in earth at the roots of plants 

 (H. Cuming, Esq.). 



The followiug paper w£is also read, entitled " Descriptions of new 

 species of Shells," by Dr. J. H. Jonas : — 



CucuLL^A GEANŪI.OSA, Jonas. Cuc. testd guadrato-rhombed, tur- 

 gidd, tenuiusculd, inaguivalvi, testaceo-albd , violaceo-rubro postice 

 prcesertim maculatd et flammulatd ; lateribus superne attenuatis, 

 angulatis, antico breviore, infra rotundato, postico longiore, suban- 

 gulato-declivi, umbonibus acutis incurvis, carind ab umbone ad 

 angulum posticum et inferum decurrente ; per longitudinem dense 

 striatd, liris striis transversalibus decussantibus subtiliter granulo- 

 sis ; Ugamenti ared mediocri, corio corneo nigro indutd ; intus albd 

 postice violaceo tincfd, margine serratd, auriculd internd mediocri, 

 cardinis dentibus lateralibus anticis tribus, jjosticis quatuor. 

 Long. marginis ventralis, 2į poli. ; altit. 2 ; crassities, l^poll. 

 Specimina etiam majorą vidi. 

 Hub. In Mari Chinensi. 



This shell differs from the Cucullaa concamerata. Martini (Cucul- 

 laa auriculifera, Lam.), as follow's : 1. lt is thinner and less trans- 

 versally prolonged ; 2, the elevated longitudinal strise are not flat, 

 and not broader than the interstices, as with the other species, ap- 

 pearing subtilely granulated by transversely erossing and very close 

 striae; 3, the ligamentary area is some\vhat flatter ; 4, the internal 

 auricies are smaller ; and 5, there are on the anterior side three and 



