— a: 



40. ('. Kninej'uuciisis, nov. spec. Fig. nostra 4. A. b. 



Speeies inter ('. Argus et (\ Muscuhis médium 

 tenons. Valvis f)3-<SfJ. longis, 14f>t latis, leniter 

 arcuatis, apiccs versus sensim attenuatis : marg-ine 

 dorsali convexo, ventrali leniter sed evidenter 

 concavo, apicibus obtuse rotundatis; costis \alidis, 

 8 in toia valva, subradiantibus 2 in lOf/; — striis 

 l)Lmctatis inter costas contiguas ca (>. — Frustulis 

 e faeie connectivali visis late ellipticis, suborbicula- 

 ribus, ad apices iranealis, utrinque nodulis medio- 

 cribus biseriatis (h. e. apicibus incrassalis costarum) 

 instructis. 

 Speeies nostra (piod ad formani \alvarum C. Ai-girs 

 affinis, frustulis autem e facie connectivali spectatis 

 magis ad C. Muscnlus accedit. 

 Lac Igatpuri. 



t\. I.a 



T>'a. HJ>. 



Eunothi Khi 



11. E. iVrcKs Ehr. 

 FIeu\ e Abo. 



VZ. E. (/)rcci/is(FAir.) Rabli. 



Ig. = 151y., It. = ()-()y.,str. 10 in 10 a; It. later. sec. 



13-2a. 

 Ibidem. 



i:!. h', pccrnialis Kabli. \\ 11. 1. c. T. XXXIII. 1". 20-21. 



lg.=2()-4/7.-37-4u, It.^O-Oy-, It. later. sec. ==I3-2y., 

 Lac Igatpuri. 



