U. S. NATIONAL MUSEUM 



BULLETIN 192 PLATE 35 



1, Chondropoma (Chondropoma) hjalmarsoni gossypinum, new subspecies; 2, C. (C.) h. 

 salinum, new subspecies; 3, C. (C.) h. hjalmarsoni Pfeiffer; 4, C. (C.) inaguense 

 (Weinland) ; 5, C. (C.) glabratum acklinsense, new subspecies; 6, C. (C) (/. fortuna- 

 tum, new subspecies; 7, C (C.) g. glabratum Reeve; 8, Opisthosiphon {Opisthosiphon) 

 androsensis Pilsbry; 9, O. (Leptopisthosiphon) barbouri Clench. 



