BacillariesG, Surirellacese, Carapylodiscus. 621 



fretu (( Macassar )) (Deby). — An Campylodisci Browneani Grev. 

 varietas? 



50. Campylodiscus Helianthus A. Schm. Atlas t. XVII, f. 15, Deby 2474 

 Cainpylod. t. 3, f. 25. 



Jfalj. ad oras Spetsbergiae (Gruendler). — Campylodisco 

 groenlandico Cleve proxime affinis, teste Grunow. 



51. Campylodiscus angularis Greg. Diat. of Clyde p. 30, t. 3, f. 53, 2475 

 Jan. et Rabeiih. Diat. Hond. t. I, f. 10, Rabenh. Fl. Eur. Algar. I, 



p. 48, Cl. et Moell. Diat. n. 11, A. Schm. Atlas t. 18, f. 7, Debj 

 Carapylod. t. 8, f. 22, Campylodiscus hypodromus Brun in Temp. 

 et Br. Diat. foss. du Japon p. 29, t. 2, f. 10 teste Deby. - Me- 

 diocris, valvis orbicularibus, 60-95 [j.. diam. raetientibus, costis ab- 

 breviatis, radiantibus, 160-180, area raagna late ovata utroque fine 

 acuminata levi, pseudorhaphe nulla. 



Hab. ad oras Scotia? (Gregory) et Bahusia? (Lagerstedt). — 

 Var. punctatus Pant. Foss. Bacill. Ung. 11, p. 70: valvis 60 y.. longis 

 latisque, costis radiantibus 10 in 10 [j.., ad aream centralem medio 

 plicatam in puncta transeuntibus. Fossilis ad ccBory)) Hungariae 

 (Pantocsek). 



52. Campylodiscus radiosus Ehrenb. Amer. pag. 122, Kuetz. Bacill. 2476 

 p. 59, t. 28, f. 12, Grun. in Wieu. Verhandl. 1862, p. 432, Deby 

 Campylod. t. 4, f. 26. — Minor, raedia parte levi subquadrata, an- 

 gulis rotundatis, irregulariter punctata, m<^rgine late et dense co 

 stato, costis seu radiis fere 70, radiantibus. 



Ifab. ad « Vera Cruz » in aqua marina (Ehrenberg). — Forraa 

 minutus (Grun.), Campylodiscus minutus Grun. in Wien. Verhandl. 

 1862, p. 438, t. VII, f. 27, Rabenh. Fl. Eur. Algar. 1, pag. 46: 

 parvus, ad 35 u.. latus, orbicularis, valde flexuosus, area levi (sub- 

 tilissime puuctata) quadrangulari dimidiura fere valvae diaraetri oc- 

 cupante, pseudorhaphe nulla, costis radiantibus 7-7^2 in 10 ix. In 

 mari adriatico, rarissime (Lorenz). 



53. Campylodiscus margosinuatus Deby Campylod. p. 67. — Valvis 2477 

 146 (j.. diam. metientibus, area levi 113 ,a. longa lataque, radiis 

 brevibus, 16 ,a. longis, rectis, dentiforraibus, apice rotundatis, in- 

 terradiis conformibus sed obverse dispositis; orbicula punctorum 

 minutorum a radiis fequidistante; granulis interradialibus nullis; ra- 

 diis linea granulorum instructis. 



Hab. in mari ad latit. 140'^ 33', longit. 34° 37' (Rae, Exped. 

 Challenger). 



54. Campylodiscus aibifrons Brun Diat. esp. nouv. 1891, p. 14, t. 21, 2478 



