1888-89.] Mr John Rattray on the Genus Goscinodiscus. 479 
Sch., Atl., pi. lviii. fig. 18 (excl. figs. 16, 17); Pant., Fossil Bacil. 
Ung ., p. 73, pi. xviii. fig. 166; Cleve and Moller’s Fiat., No. 210; 
Janisch, Gazelle Exjped., taf. v. figs. 12, 14-16; C. nitidus, Greg., 
var., Cleve. and Moll., Diat., Nos. 150, 154, 155, 208, 257, 311 ; 
C. foraminosus, Grev. MS. in Coll. Brit. Mus. 
Habitat. — Kekko, Mogyorod, Szakal and Szent Peter deposits 
(Pantocsek); sand washings, Cumbrae (Arnott !);* Lamlash (Greville! 
Gregory !) ; Ascidia, Roundstone Bay, county Galway ; Malahide, 
county Dublin ; Restrevor, county Down ; Kilkee, county Clare 
(O’Meara) ; Hvidingsoe (Schmidt) ; Manilla shells (Greville !) ; 
Tahiti (Kinker !) ; Numea Algae (Kinker !) ; Manilla (Firth !) ; f 
Tamatave (Hardman !);J Rio Janeiro (Hardman!); Oamaru 
deposit (Grove !); Campeachy Bay (Weissflog ! Cleve and Moller !) ; 
Monterey (Weissflog !) ;§ Gazelle Expedition (Weissflog !) ; Anda- 
man Islands (Macrae !); || coral washings, locality*? (Doeg!); shell 
cleanings, locality 1 (Doeg !) ; Rovigno, North Carolina, Balearic 
Islands, Gripp (Cleve and Moller !); Galapagos Islands, Labuan, 
Virgin Islands (Cleve !). 
Var. minor. Cleve and Moll., Diat., No. 154. — Diam. ’025 to 
*0325 mm. Markings angular, 4 in *01 mm. Central papillae 
prominent, rows evident near border ; interspaces subohsolete. 
Habitat. — Balearic Islands (Cleve and Moller !). 
Var. sjparsa. C. nitidus , Sch., All., pi. lviii. fig. 17. — Diam. *035 
mm. Markings round, isolated granules, with wider interspaces, 
smaller near the border. Border striae more evident and longer. 
Habitat. — Campeachy Bank (Schmidt). 
Var. tenuis , nov. C. nitidus , Greg., var. Sch., Atl ., pi. lviii. fig. 19. 
— Diam. about *04 mm. Markings minute, with smaller hyaline 
interspaces, on a narrow hand adjacent to the border punctiform, 
and forming regular radial striae. — Sch., Atl., pi. lvii. fig. 45 (*?). 
Habitat. — Campeachy Bank (Schmidt). 
* In the collection of Dr Greville. 
f In the collection of Dr F. W. Griffin. 
X In the collection of Julien Deby. 
§ This specimen has, on what seems to me insufficient grounds, been named 
on Weissflog’ s slide C. nitidus , var. by Grunow. 
II In the collection of Dr Greville. 
