MONOGRAPH OF THE ATLANTIDAE. 



29 



Name ot tiie species 



Atlantic 



Mediter- 

 ranean 



Red Sea 

 with Gulf 

 of Aden 



Indian 

 Ocean 



Malay 

 Archipelago 



Pacific 



Oxygyrus keraudreni (Les.) 



X 



X 



— 



A 







— 



„ rangi (Soul.) 



— 



X 



— 



X 



X 



X 



Protatlanta souleyeti (Sm.) 



X 













Atlanta peroni (Les.) 



X 



X 



X 



y\ 



X 



X 



„ steindachueri Ob. 





X 











„ affinis Tesch 











X 





„ (jav.dichaudi Soul. 







X 



X 



X 



X 



„ lesueuri Soul. 



X 



X 



X 



X 



X 



X 



„ inflata Soul. 



X 



X 



X 



X 



X 



A 



„ depressa Soul. 







X 



X 



X 



X 



„ helicinoides Soul. 



X 





X 



X 



X 



X 



„ turriculata d'Orb. 









X 



X 



X 



„ fusca Soul. 



X 



-') 



X 



X 



X 



X 



„ inclinata Soul. 



X 





X 



X 



X 



X 



„ gibbosa Soul. 



X 





\/ 

 /\ 



X 



X 





In the future most species, if riot all, will prove to be 

 cosrnopolitical, I think. The Atlantidae, as all other Hetero- 

 poda, are inhabitants of tropical and subtropical regions, 

 and never any species has been recorded from boreal or notal 

 waters, and indeed will die very soon, if occasionally carried 

 away by currents into high latitudes. 



EXPLANATION OP FIGURES. 



Pig. 1 

 » 2 

 „ 3 



„ 4- / Protatlanta souleyeti (Smith) 



5 

 6 

 7 

 8 

 9 



Atlanta 'peroni Lesueur (rosea- 

 form) 



„ 10 Atlanta gaudichaudi Souleyet. 

 » 12 



Atlanta lesueuri Souleyet 



Shell from apex. 

 „ from aperture. 

 „ from umbilicus. 

 Animal, removed from shell, 



from the ritrht. 

 Operculum, view from inside. 

 Transverse row of radula. 

 Shell from apex. 

 „ from aperture, 

 from umbilicus, 

 from apex, 

 from apex, 

 from aperture. 



1) Recorded by Oberwiinmer, bat without figure. 



Notes from the Leyden Museum, Vol. XXX, 



