HOLOTHUROIDEA. 
Ech. 53 
C. lactea , F. & G. ; Bell (16) p. 38: var. ? ; Petersen (216) p. 39. 
G. lefevrii, Barrois, referred to G. koellikeri ; Marenzeller (167) : 
see also G. montagui. C. leonina , Semp. ; Studer (256) p. 283 & 
285. C. montagui , Flem., Pico Fayal, Azores, 130 metres, discussed 
and compared with Colochirus lacazei ; Marenzeller (164) p. 15, 
and (167) : redescribed while C. lefevrii , Semperia drummondi , (?) 
Thyone portlocki , and (?) C. lacazei are referred to it ; Norman 
( 204^ p. 469. C. nigra (Couch), Kinahan, see Ilolothuria forskahli. 
C. planci, Gmel.; Bell (16) p. 37 : spermatogenesis; Field (83) : 
alimentary canal ; Frenzel (88) p. 93 : abnormal regeneration ; 
Ludwig (155) : with Ophryotrocha as inquiline ; Monticelli (193) 
p. 250. C . pentactes, Mont. ; Bell (16) p. 37, Petersen (216) p. 39, 
Studer (256) p. 29 : teratological ; Topsent (263). C. serrata, 
Theel, distribution ; Studer (256) p. 163. 
Deima ; Agassiz (3) p. 84. D. pacificum, nomen nudum ; Ludwig (156) 
p. 180. 
Euphronides ; Agassiz (3) pp. 77, 79, & 84. 
E. tanner i , E. verrucosa, E. Pacific, Ludwig Zool. Anz. xvi, p. 179, n. spp. 
i Gcorisia, n. g., type G. ornata, n. sp., Mozambique Channel, a bilateral 
and caudate Psolid ; Perrier, C.R. Ac. Sci. cxvi, p. 557 : a syn. 
of Psolidium ( teste Ludwig). 
Ilolothuria , Goldf. ; Bell (16) p. 48. H. alhiventer , Semp., spicules 
figured, includes H. bowensis , Ludwig, H. aculeata , Semper, and II. 
modesta ; Herouard (121) p. 135. H. argus, Jaeg., characters of 
living animal ; Kent (135) p. 237 : extrusion of Cuvierian organs ; 
Studer (256) pp. 234 & 248. H. aspera , Bell ; Bell (16) p. 50. 
II. atra , Jag. ; Studer (256) pp. 191 & 234 : habits and commer- 
cial value, characters of living animal ; Kent (135) pp. 55, 121, & 
238. II. hotellus , characters of living animal ; Kent (135) p. 238. 
H. calanensis , Grube, see II . forskahli. H. coluber , Semper, Barrier 
Reef, Queensland ; Kent (133) pi. ii, fig. 1 : colour and commercial 
value, photo from life, habits ; Kent (135) pp. 56, 121, & 238. H. 
edulis , characters of living animal ; Kent (135) p. 237. H. forsk- 
ahli , Delle Ch.; Marenzeller (167): redescribed and name restored 
for II. nigra , Auctt. ; Norman, Ann. Nat. Hist. (6) xii, p. 409. H. 
fusco-cinerea, characters of living animal ; Kent (135) p. 237. H. 
impatiens , Forskal ; Herouard (121) p. 134: characters of living 
animal ; Kent (135) p. 237. H. intestinalis, A. & R. ; Bell (16) 
p. 48, Nordgaard (201) pp. 5 & 10, Steindaciiner (254) p. 446: 
E. Mediterranean; Marenzeller (165) p. 66. H. ludwigi , Lamp. ; 
Studer (256) p. 256. II. maculata , Brandt, Suez, spicules figured ; 
Herouard (121) p. 133. H. nigra , auctt. ; Bell (16) p. 49, Gars- 
tang (92) p. 335: parasitic Gregarines ; Minchin (189) p. 281 : 
referred to II. forslcalii ; Marenzeller (167). H. pardalis, Selenka, 
spicules figured, includes II. martensi,juvenis of Semper; Herouard 
( 121) p. 134. II. poli, D.-Oh., with Anoplodium pusillum as inqui- 
line ; Monticelli (193) p. 250: spermatogenesis; Field (83). H. 
