KU 



MARINE PROVINCES. 



This great region might, indeed, be subdivided into a number of 

 smaller provinces, each having a particular association of species 

 and some peculiar shells, such as the Red Sea, the Persian Gulf, 

 Madagascar, etc. ; but a considerable number of species are found 

 throughout the province, and their general character is the 

 same. Mr. Cuming obtained more than 100 species of shells 

 from the eastern coast of Africa, identical with those collected 

 by himself at the Philippines, and in the eastern coral islands of 

 the Pacific. This is pre-eminently the region of coral reefs, and 

 of such shell-fish as affect their shelter. The Philippine Islands 

 have afforded the greatest variety, but their apparent superiority 

 is due, in a measure, to the researches of Mr. Cuming ; no other 

 portion of the province having been so thoroughly explored. 

 He collected 2500 species of sea shells at the Philippines, and 

 estimates the total number at 1000 more. The genera most 

 developed are Conus, 120 species ; Pleurotoma, 100 ; Mitra, 250; 

 Columbella, 40 ; Cyprsea, 50 ; Natica, 50 ; Chiton, .30 ; Tellina, 50. 

 No catalogue of the marine shells of the Province has been 

 published, but they are believed to amount to between 5000 and 

 6000 species. 



Amongst the genera most characteristic of the Indo-Paeific, 

 those marked ( * ) are wholly wanting on the coasts of the 

 Atlantic, but half of them occur fossil in the older tertiaries of 

 Europe. Those marked (f ) are also found on the west coast of 

 America. 



^JSTautilus. 



*Pteroceras. 



*Rimella. 



*Rostellaria, 



* Seraphs. 



fConus. 



fPleurotoma. 



*Cithara. 



t*Clavella. 



*Magilus. 



*Melo. 



fMitra. 



*Cylindra. 



*Imbricaria. 



Ovulum. 

 -|-*Pyrula. 

 *Monoptygma 



Phorus. 



'■ Turbinella(typ). Siliquaria. 



Cyllene. 



Eburna. 

 tPhos. 



Dolium. 

 fHarpa. 

 ^Ancillaria. 

 *Ricinula. 



"^(^uoyia. 



*Tectaria. 



flmperator. 



Monodonta. 



Delphinula. 

 fLiotia. 

 * Stomatia. 



Stomatella. 



Gen a. 

 *Broderipia. 

 *Rimula. 

 *Neritopsis. 

 *Scutellina. 

 *Linteria. 

 . =i=Dolabella. 

 *Hemipecten, 

 *Placuna. 



* Malleus. 

 ^Vulsella. 



* Pedum. 

 t*Septifer. 



*Cucull8ea. 



*Hippopus. 



*Tridacna. 



Hemicardium. 



*C3'pricardia. 

 *Cardilia. 

 ■|-*Verticordia, 

 *Pythina. 



Circe. 

 * dementia. 

 *Glaucomya. 

 *Meroe. 



Anatinella. 



Cultellus. 

 *Anatina. 

 *Ch8ena. 

 *Aspergillum. 

 *Jouannetia. 

 ■{'*Lingula. 

 fDiscina. 



The strictly littoral species vary on each great line of coast : 

 for example, Littorina intermedia and Tectaria pagodus occur 

 on the east coast of Africa ; Littorina conica and melanostoma, 

 in the Bay of Bengal; Littorina siiiensis and castanea, and 



