PHYLLOPODES CONCHOSTRACÉS DT 
Conchae feminae angulo posterodorsali nullo, margine dorsali in marginem 
posteriorem sine limite visibili ineuns, maris vero angulo posterodorsali 
distincto, margine dorsali posterioreque angulum distinctum forman- 
DURS ON PRE ARMOR EE EE Sectio® Bormes: .;:.11%. Re 
Conchae maris feminaeque angulo posterodorsali distincto, margine dorsali 
posterioreque angulum distinctum formantibus. Sect. Cycladiformes. 16 
10. Pedes tertii paris maris palpo enditali distincto.................... 11 
Pedes tertii paris maris palpo enditali carentes...................,.... 13 
11. Pedes primi paris feminae palpo enditali distincto.................. 12 
Pedes primi paris feminae palpo enditali et pedes 10-paris palpo endopoditali 
carentes; pars apicalis pedum 1-2 paris maris prope basin clavae apicalis in 
margine interiore tuberculo parum prominente, lato; aculei marginales 
LOISOMR A DEe..S: RNERRee ESPN ee Cyzicus fallax Dad. n. sp. 
12. Pedes 10-paris feminae palpo endopoditali distincto; pars apicalis pedum 
2-di paris maris in margine interiore prope basin clavae apicalis late sinuata, 
tuberculo parum prominente, lato; margo dorsalis concharum feminae 
LUS SRE CRE LE AN A ARE Cyzicus tetracerus (Kryn). 
Pedes 10-paris feminae palpo endopoditali carentes ; pars apicalis pedum 2-di 
paris maris margine interiore in toto late sinuata, tuberculo nullo ; margo 
dorsalis concharum feminae rectus......  Gyzicus intermedius Dad. n. sp. 
43. Pars apicalis pedum 1-2 paris maris in margine interiore aut recta, in toto 
obsolete sinuata, aut prope basin clavae apicalis distincte sinuata.. ... 14 
Pars apicalis pedum 1-2 paris maris in margine interiore prope basin clavae 
apicalis valde incisa, tuberculo acuto; aculei marginales telsoni glabri 
RAR de gr ee MA à rt Cyzicus aegyptiacus Dad. n. sp. 
14. Pars apicalis pedum 1-2 paris maris in margine interiore prope basin 
clavae apicalis distincte sinuata ; valvulae concharum concinne granulatae ; 
ova membrana bacillis radialiter dispositis armata tecta................., 
LR RE EE ERA Cyzicus dubiosus Dad. n. sp. 
Pars apicalis pedum 1-2 paris maris in margine interiore recta, in toto 
obsolete sinuata ; valvulae concharum concinne granulatae intervallis pellu- 
cidis, transversalibus, angustis, ramosis; ova membrana tuberculis armata 
ne. EN ATEN ER UE tee Cyzicus sibericus Dad. n sp. 
Pedes primi paris feminae et tertii paris maris palpo enditali carentes ; 
10-paris feminae palpo endopoditali distincto; pars apicalis pedum 
2-di paris in margine interiore prope basin clavae apicalis plus minusve 
sinuata ; aculei marginales telsoni glabri........ Cyzicus Gihoni (Baird). 
16. Pedes tertii paris maris palpo enditali distincto .................... 17 
Pedes tertii paris maris palpo enditali carentes........ ................ 18 
17. Pars apicalis pedum 1-2 paris maris in margine interiore prope basin 
clavae apicalis valde incisa, tuberculo distincto, sat acuto; aculei margi- 
nales telsoni glabri ; segmenta 18 posteriora trunei armata............ ee 
AS PR TOR 0 ES ENT M ee « Cyzicus Simoni Dad. Sp. 
Pars apicalis pedum 1-2 paris maris in margine interiore prope basin in 
apicalis obsolete sinuata, tuberculo rite latiusculo ; aculei marginales 
telsoni re Sepinentitoposternaordieunebarnmafasse net ue Cut en 
dune ae AA Ne Laden Cyzicus Chyzeri Dad. n. sp. 
à Pedes primi paris feminae palpo enditali distincto ; pars apicalis es 
2-di paris maris in margine interiore prope basin clavae apicalis leniter 
ut: aculei marginales telsoni asperi. Cyzicus hierosolymitanus (Fisch). 
Pedes primi paris feminae palpo enditali carentes; pars apicalis pedum 
2-di paris maris in margine interiore prope basin clavae apicalis sat pro- 
funde sinuata, {tuberculo prominente; aculei marginales telsoni glabri.…. 
D D ed Li Qu Cyzicus cycladoides (Joly). 
