50 



MoNQCKROs cosTATtJM. Moti. tsstd ovtttd, crossd, albicante cas- 

 taneo svffusd ; anfractibus convexis, spiraliter costatis, costis sub- 

 sqvamosis ; spird brevi ; labro crasso, extus subcastaneo, intils 

 ruguloso ; dente basali brevi: long. ]'3, lat. 9 poll. 



Hab. ad oras Chiliae. (Conception.) 



Found under stones at low water. — G. B. S. 



MoNocEROs CYMATUM, Sow. MoTi. testd ovtttd, cTttssd, ruffosd, 

 fused nigra albidoque strigatd et variegatd ; anfractibus quatuor 

 ventricosis, rugis ultimi quatuor vel quinque latis, obtusis, spira- 

 libus ; spird exsertiusculd ; labro crasso, extus sinuoso, intils den- 

 tato, dentibus 4-6 albis : long. 1*7, lat. Tl poll. 

 Monoceros cymatum. Sow., in Tankerville Catalogue, No. 1888. 

 Buccinum cymatum, Solander, MS. ined. 

 Icon. Monoceros lugubre, Sow., Genera of Shells, No. V.f. 3. — 



Wood, Suppl. t. 4. Buccinum, f. 11. 12. 

 Hab. ad littora Californiensia. 



Several rows of white teeth may be seen to remain within the 

 aperture, each of which has formed the inner edge of the outer lip 

 at the particular period of growth to which it respectively belonged. 

 — G.B. S. 



Monoceros acuminatxim. Mon. testd ovato-acuminatd, crassius- 

 culd, fuscescente ; anfractibus quinque vel sex, ventricosis, spi- 

 raliter costellatis, costellis interstitiisque squamuliferis decus- 

 satis ; labro exttis fusco, intils albo, Icevi ; spird elongatd, acumi- 

 natd : long. 2", lat. 1*1 poll. 



Hab. ad oras Chilise. (Baldivia.) 



This may be only a variety of Mon. imbricatum. — G. B. S. 



Monoceros globulus. Mon. testd subglobosd, castaned, Icevi, 

 crassiusculd ; spird acuminald ; anfractibus quatuor vel quinque, 

 ultimo maximo, ventricosissimo ; labro intiis subincrassato, albo, 

 margine externo castaneo : long. 1*4, lat. 1* poll. 



Hab. ad oras Chiliae. (Maul6.) 



Found in the clefts of rocks. — G. B. S. 



Monoceros punctulatum, Gray. Mon. testd ovatd, crassd, leevi- 

 gatd, albidd punctulis numerosis castaneis spiraliter seriatis pictd ; 

 labro incrassato, extus crenulato, albo, intus dentato ; dentibus 

 quinque obtusis, albidis ; aperturd intils fuscescente : long. 1*1, 

 lat. 0'65 poll. 



Hab. ad Insulam Cocos, Oceani Pacifici Septentrionalis. 



Found on the rocks. — G. B. S. \ 



Monoceros unicarinatum. Mon. testd ovato-oblongd, crassius- 

 culd, albicante fusco variegatd ; anfractibus quatuor vel quinque, 

 spiraliter costatis, interstitiis concinne dccussaiis, carind unicd 

 pos/icd ; labri margine crenulato, intiis Icevi : long. 0'8, lat. 0"5 

 poll. 



Hab. 



