a O9 = 
Bourguignatiana, thamnophila (spec. nov.) ; CLausrLra 
Tristami, bidens, Letourneuxi (spec. nov.), Pupa Po- 
lyodon, Letourneuxi (spec. nov.), Lallemantiana {spec. 
nov.), Brauni, goniostoma, granum, Michaudi, Bron- 
deli (spec. nov.), Poupillieri (spec. nov.), umbilicata, 
Aucapitainiana (spec. nov.), muscorum ; Verrico Du- 
poteti, muscorum, numidica, aprica (spec. nov.), 
codia (spec. nov.), microlena (spec. nov.), discheïlia, 
Maresi; CzæciLrANELLA nanodea, Letourneuxi (spec. 
nov.), Brondeli, raphidia ; GLanpina dilatata, algira ; 
CarycHiumM minimum, tridentatum ; ALExIA myosotis, 
Micheli, algerica (spec. nov.), Firmini; PLanorgis 
Metidjensis, Dufouri, aclopus, euchelius (spec. nov. ), 
complanatus, subangulatus, spirorbis, rotundatus, 
lævis, agraulus (spec. nov.), numidicus (spec. nov.), 
Brondeli, imbricatus, cristatus, euphæus (spec. nov.), 
diaphanellus (spec. nov.), Raymondi (spec. nov.); 
Puysa acuta, subopaca, contorta, Raymondiana, Bro- 
chui, truncata, Brondeli ; Limnxa auricularia, limosa, 
palustris, glabra, truncatula ; AncyLus simplex, stria- 
tus, costulatus, caliculatus, gibbosus, Raymondi, pla- 
tylenus, Brondeli, epipedus, strictus, Peraudieri ; 
BronpeLrra Drouetiana, gibbosa ; Cyccosroma sulca- 
tum, mamillare, ferrugineum ; Acue Lallemanti (spec. 
nov.), Letourneuxi (spec. nov.) ; Byrninra tentaculata, 
numidica (spec. nov.) ; Hyprorsia Peraudieri, acerosa, 
Brondeli, arenaria, sordida, elachista, nana, doli- 
chia; Amnicoa similis, luteola, desertorum, pycno- 
cheilia, pyenolena, Dupotetiana, perforata, Letour- 
neuxiana, seminium ; MeLanra tuberculata; MeLanopsis 
maroccana, præmorsa, Maresi; Neririna fluviatilis, 
numidica, Maresi (spec. nov.); Srnærium Ddingoli, 
ovale ; Pisipium amnicum, Casertanum, pusillum, 
nitidum ; Unio rhomboideus, batavus, Durieui, Le- 
