XIII. 
XIV. 
XV. 
XVI. 
XVI. 
XVIII. 
XXII. 
XXII. 
XXIII. 
XXIV. 
ILLUSTRATIONS. 
a IS mre eae Crag ORE GE ES. —- 6 oan Soe Seco oocnnecconseCesocmacscslssss 
PROSLLGIG poten one oe eee ee nee ee a nao man oocese lence accu sac eee cintacs 
of WEG SAS see soe OSS S560 eo See CEOUDOOS COUCC SOO EC oC ere e Soca sae 
MVCN CLIO eettase sete ees rae ae seinen ene eerste scicrscec cence citrate 
DOESN ELS retort cesta ot tere aa ene atta mina ae ie aia oie este ore Site we w em ersininw ee meee 
TallimidsyandsAmphidesmiidas): s-- 22s) se = = wel een am nes es 
Macinidatands@onbulidtamen aa yet aoa circ mew cine maicai nc cine \e eisai 
HaxiCariaaangvAnainid Pera e core ease ecss cone eeee ee essen -sSeeeees 
Aiur crdeuovBuCcinid rss see eee he cen Tee a edn nS TS ene 
PUR CINDO Rete yeaa aa ee eet el eerie ocinciciee cece mein ameter eee 
Sm Bnceimidsst0,Colnmpellid.c en see costes ae cia re eee 
. Columbellidie, Cancellariide, and Terebridw.-.-.........-.-----.---.---- 
Rlenrotomides- andeNahicid-pesessne as iso acces sec eee eee eee eteeiaeer 
Naticidie and Calypteride ..... Sa ASS Se lee SRE Tara CMR Bene nents Seen 
Trichotropide, Scalariide, and Turritellide........--...-.--.-....---.- 
Turritellide, Trochide, Fissurellide, Acteonellidie, and Crustacea = Bal- 
