1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 71 
PAGE 
FAO WOCS Bar ACE ai ate yah we Sie ew beh bats 318 
Chotra di 8., Moore 2 Sea DES OIG ere habe ray ea 319 
Paronslanie Ty Av Sith yea ae ic ee mates Ft 
Joubériia Bourguietigt Vee ae ee re 324 
Davie ee Bourget as Nea oh eh kee ee ee 
Handabelia Baoutyuienae Geiss ee es a a a 
TAAL BR OY ecb SIR Cy ae a ain beg 9 is 
LOGGING ROWE UIING. 55 Toyo s oo eee Me a een he) OOO 
LECRO POH EIO ANCOY Sead Oe ee Ree oe 3935 
Peleoy pode ecko peepee eS ee Oe Se ere 336 
Key to Ebthiopian: Pamaeey occ ed eee uu are ee en ek 
Teloodeammetaiies cds overeat Ce ile 337 
Cyrenide... EIR i Oe 
Corbioule ‘Megerls: v. . Mubifeld. REL gee ema den ieeh ts Ge 338 
SSE SETAE cs ees ee ie et mek 346 
SPRATIMHERCOPOUG idee eo eke eae re eae - 347 
PIS COE Tee EE Ra es ee 
Mipere WOUre RIAL cea 5a bi eee OR as 304 
BB ets) hots Fc ae ee eaME EM POM ea ER tw CNG OR MNMORER A Tira MUL OR Pair US 359 
EIGEN AA TUGBA. Soca his Gok i WR ee a Ee eee 359 
PphigensG SOOUMACNER ccs in Cee aa a Oe 
Cy rerareiie 09 ei a a tar ss a 5 oe arte 375 
Corencida de SOROINB ES Fair ba Ae hess Ae ee 
Prignodeenneens ES Re a es es SE ay ee a 377 
Unionidae. a.) cn RAS Race remit Valet Hel) gee Ree a er 
Partesai Coren. ome e eM am Nr Guam E ee rer 
Grandidierta ere fs ainle bol patel 
OA EG CODE A: t65 0s oi ee eb ook es BAS ee mens 399 
Peeudavicula Simpsonii cis) oe eb ee) AOS 
Mutelide. . Ls ein Gy Began 5 PoNd MUON EE AW oO aCe Ree aa aca 
bintclian © SL fie tke ees ic aR ae mee es ome 
Adina Bourguigna... a, Ba A cache e a aa ea 
Mutela Scopoli... Tad toh a he aT Kaan eR ae aera TRO are 
Iridina Hatsarsk:: AALS ae Nm CREAR REE Citar 0S Sm Rpt 439 
TLV PHN es ON Rok es Balin < a Re rene ee 443 
Pseudospatha ee sie Senet Ae 
Etheriidee.. ; re sien sy igang: | 4 
Theta Dadar: nicks ch cage elk UMD a ea OE LN, 447 
jg ler ( clas ©. : NOUN oe Db an NOL HPP a Scie” fF <hr Sarees 455 
Congeria PANieee 2's bons Se eae een ee on 455 
ZOOGEOGRAPHY AND EcoLoay oF THE LAND AND FRESH-wATER MOLLUSKS OF 
THE BELGIAN CONGO....... UNA 1 So tab RON DORI 33) 
Ecology and Distribution of apreptvial Diollaak! UNNI REM Re ee 5G et 461 
The Hoolomical Wactorese. 6 és \cicoa o~ + «'s.0 + eondcee ape  eg 8 bie eet 461 
Zodgeographic Divisions of the Ethiopian AMSUIR erties en's a9 04 49 479 
Regional Description of the Malacological Land Faune of the Belgian 
486 
