134 INFVSORIA, 
In aquis fervatis haud frequens. Majores & minores 
ejusdem figurz. 
I45. BRACHIONUS uNciNATUS, 
Baacurowvus bivalvis tefta, apice mutica, ro- 
tundata, bafi unidenta; cauda bifeta, 
Jan. KROG-HVIRVLEREN, 
Inter minores bivalvium. 
Tvfla cry(tallima apice & antice rotundata, mutica, infra 
finuata, poftice perpendiculari; in mucronem  termipata. 
Animaleulum mufculofum, antice unco inflru&tum, quem 
fepe intra teflam | porrigit; fimul ludente collaterali organo 
rotatorio minimo, poítice cauda, dimidia corporis longitudine; 
qnatuor vel quinque articulis compofita, apice feta bifida, qua 
moleculis terrenis adhzret. 
Teíta antice & poflice pro lubitu aperiri poteft. 
In foveis aquofis. 
146. BRACHIONUS nwvucnRoNATUS. 
BRaAcHuroNus bivaluis, tefta, apice & bafi bi- 
dentata; cauda fpina duplici. 
Dai. BRAAD-HVIRVLEREN. 
Tefla cryftallina bivalvis oblongiuscula, antice - fubarcuara, 
poftice perpendicularis, apice & bafi truncata, qvavis extfemi- 
tate duobus utrinque mucronibus infignita. 
Zni- 
