RACHISELLUS. 2?5 



244. Rachisellus prsetermissus, Blanford. 



Bulimus prcetermissus, Blanford, J. A. S. B. xxx, 1861, p. 360 ; 



Pfeiffer, MOD. Helic. Viv. vi, 1868, p. 131 ; Hanley & Theobald, 



Conch. Ind. 1870, pi. 19, tig. 4. 

 Buliminus (BJiachis) prcetermissus, Nevill, Hand List, i, 1878, 



p. 130. 

 Bulimina (Rackis] praetermissa, Pfeiifer & Clessin, Nomencl. Helic. 



Viv. 1881, p. 285. 

 Buliminus (Rhackis) praeter missus, Kobelt, Conch.-Cab., Fam. 



Buliminidae, 1900, p. 670, pi. 102, fig. 12. 

 Rhachis praetennissus, Kobelt & Mb'llendorff, Nachr. Dents. Malak. 



Ges. 1903, p. 38. 



Original description : " Testa perforate,, oblongo-conica, tenuis, 

 nitida, striata, luteo-albida. varie rufo vel fusco spiraliter fasciata 

 et transverse strigata, plerumque uni- vel trifasciata, interdum 

 unicolor albida. Spira conica, apice acutiuscula plerumque nigra. 

 Anfr. 7 convexiusculi, ultimus f longitudinis subaequans, basi 

 rotundatus. Apertura vix obliqua, subovalis ; peristoma simplex, 

 rectum, margine columellari verticali, fornicatim reflexo. 



" Long. 19, diam. 10 mm. Ap. 8 alta, 5| lata." (Blanford.) 



Hob. India : Orissa (Blanford, Stoliczka, Theobald) ; Salem 

 district (King)' Bengal (Old/tarn)^ Bombay (Leiih)-, Madura 

 Hills (Beddome). 



"This species is intermediate between B. mavortius, Reeve, and 

 B.punctatus, Anton, on the one hand, and B. Bengalensis, Lam., 

 on the other. It resembles the two first-named in form, but 

 differs from both in the absence of the transparent spots on the 

 whorls. It is less solid than B. mavortius and broader in pro- 

 portion to its length than B. punctatus. From B. Bengalensis it is 

 distinguished by its small mouth and by less tumidity. It varies 

 considerably in marking, of which we have the following 

 varieties : 



"1. Yellowish white throughout; apex the same. 



" 2. Yellowish white with a single brown stripe round the 

 lower portion of the last whorl ; apex white. 



" 3. Upper whorls transversely obliquely striped with pale 

 reddish lines ; last whorl purplish, with a dark brown stripe round 

 the lower portion. Apex black. 



" 4. Yellowish white, two pale reddish brown lines round the 

 lower portion of the last whorl, the upper running along the 

 suture above. The upper part of the whorls obliquely striped 

 with interrupted streaks of the same colour. Apex black. 



" 5. Three rather broadish and irregular brown stripes around 

 the last whorl; two on the upper ones, becoming purplish black 

 near the apex ; apex black, 



"6. 3 stripes of dark brown on the lower whorl, 2 on the upper 

 ones. Apex black. Similar to the marking in B. Bengalensis. 



11 We have no specimens with more than 3 stripes around the 

 last whorl. 



T2 



