The Voyage of H.M.S. Challenger: 

 10 



Molaria PI. 83 







4 ^ r^w, mm mm 



WSoB 



Mm 



9m rr f 



1 2 LITHOTYMPANIUM, 3 DYOSTE PH ANUS , -I SPHAEROC! RC U S, 5 6 TRIS 



7 DIP0C0R0NIS, 8 - 10 LA.MPROSPYRIS.il 12 CLADOSPYRIS, 13 RH0D0 



U.15 D ESMOSPYR IS ,-16. 17 TETR A S PYR I S , 18-20 STEPHANOSPYR 



SPHAEROC IRC US, 5 B TRISSOCYC LUS, 

 4D0SPYRIS, 13 RH0D0SPYRIS, 



