191 



20. Margarita cumingii, A. Adams. M. testa elevato-conicu, 

 cinereu, lineis fuscis undulatis pictd, late umbilicatd ; anfracti- 

 bus costellis transversis ornatis, ultimo tribus liris intermediis 

 cincto, longitudinaliter elevate striata ; umbilieo magno, cinguld 

 crenulatd cinctd, intus lineis radiantibus et transversis elegan- 

 ter decussato. 



Hab. Philippines. 



21. Margarita variabilis, A. Adams. M. testd orbiculato- 

 conicd, subdepressd, late umbilicatd, pallidd, fusco griseo al- 

 boque varie pictd ; anfractibus rotundatis, transversim valdi 

 sulcatis ; umbilieo perspectivo, margine crenulato ; basi plani- 

 uscidd; labio margine subcrenulato. 



Hab. ? 



22. Margarita balteata, A. Adams. M. testd orbiculato- 

 conicd, vix umbilicatd, grised, fusco tessellatd ; anfractibus gib- 

 bosis, transversim valde sulcatis ; anfractu ultimo subangulato ; 

 basi planiitsculd, concentrice sulcata ; colutnelld curvatd, vix 

 truncatd. 



Hab. ? 



23. Margarita tessellata, A. Adams. M. testd depresso- 

 conicd, late umbilicatd, Icevi, cinered, regulariter griseo tessel- 

 latd; anfractibus planiusculis, ultimo subangulato ; basi convexd ; 

 umbilieo intus alhido ; aperturd rotunda, intus viridi-irides- 

 centi. 



Hab. 1 



Subgenus Photina, H. and A. Adams. 



Shell smooth, subconical ; spire depressed ; axis covered by a 

 smooth callus ; columella ending in a simple point. 



This section includes all the species oi Margarita that are not 

 umbilicated. 



1. Photina t^niata, "Wood. 



Trochus tceniatus. Wood, Ind. Test. Suppl. pi. 5. f. 12. — Trochus 

 bicolor. Lesson, Voy. de la Coquille. — Margarita tceniata. Sow. 

 Hab. East Falkland {T)on). 



2. Photina c^rulescens, King. <■ 

 Margarita ccerulescens. King, Zool. Journ. vol. v. 



Hab. ? 



3. Photina expansa. Sow. 

 Margarita expansa. Sow. Conch. Illustr. f. 



Hab. 



4. Photina sigaretina. Sow. 



Margarita sigaretina, Sow. Conch. Illustr. f. 14. 



Hab. ? 



