50 



MoN0CEROs cosTATTjM. MoTi. tcstd ovotd, CTūssd, albicatite cas- 

 taneo suffusd ; anfracfibus convexis, spiraliter costatis, costis sub- 

 sgimmosis ; spira brevi ; labro crasso, extus subcnstaneo, intils 

 rugitloso ; dente basali brevi: long. 1'3, lut. O d poli. 



Hab. ad oras Chilise. (Conception.) 



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



MoNocEROS CTMATUM, Sow. Mou. testd ovūtd, cTūssd, rucosd, 

 fuscd nigro albidoąue strigatd et variegatd ; anfractibus cuatuor 

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

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

 tato, dentibus 4-6 albis : long. T?, lat. Tl poli. 

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

 Buccinum cymatum, Solander, MS. ined. 

 Icon. Monoceros lugubre, Soįv., Gencra o/ Shells, No. V. f. 3. — 



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

 Hab. ad littora Califomiensia. 



Severai roAvs of white teeth may be seen to remain %vithin the 

 aperturc, each of which has formcd the inner edge of the outer lip 

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

 —G. B. S. 



Monoceros acuminatum. Mon. testd ovato-aaiminatd, crassius- 

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

 raliter costellatis, costellis interstitiisque squamuliferis decus- 

 satis ; labro extusfusco, intils albo, lavi ; spird elongatd, acumi- 

 natu : lo7ig. 2", lat. \'\ poli. 



Hab. ad oras Chilise. (Baldivia.) 



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



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

 crassiusculd ; spird acuminald ; anfractibus quatuor vel quinque, 

 ultimo maximo, ventricosissimo ; labro intits subincrassato, albo, 

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



Hab. ad oras Chiliae. (Maulė.) 



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



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

 gatd, albidd punctulis numerosis castaneis spiraliter seriatis pictd ; 

 labro incrassato, extiis crenulato, albo, intiis dentato ; dentibus 

 quinque obtusis, albidis ; aperturd intiis fuscescente : long. l'l, 

 lat. O "65 poli. 



Hab. ad Insulam Cocos, Oceani Pacifici Septentrionalis. 



Found on the rocks. — G. B. S. 



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

 culd, albicante fusco variegatd ; anfractibus quatuor vel quinque, 

 spiraliter costatis, interstitiis concinne decussatis, carind unicd 

 posticd ; labri margine crenulato, intus Icevi : long. 08, lat, 05 

 poli. 



Hab. 



