22 God. 
XVI. CCELENTERATA. 
Hemprich & Ehrenberg (81), Hennig (82), Horst (86), Ianischewsky 
(88), Janensch (90), Jourdan (91), Kukenthal (95, 96, 97), Lebedew 
(101), Lendenfeld (102), MacMunn (106), Martelli (108), May (110), 
Menon (111), Monroe (114), Moroff (117, 118, 119), Oppenheim (123), 
Osasco (124), Papp (126), Parker (127), Pratt (139), Reed (141), Reis 
(142), Remes (143), Roule (146 & 147), Schneider (152), Schrader (153), 
Schwarze (155), Shimer (157), Strijoff (163), Studer (164), Thiele & 
Grant (165), Torrey (171), Vaughan (174, 175, 176), Verrill (177-180), 
Versluys (181), Wanner (182), Yoshiwara (187).] 
SUBJECT INDEX. 
General Biology. 
Review of work published in 1889-1891, Carlgren (20). 
Anatomy of the Chrysogorgiidce from the East Indian Archipelago, 
Versluys (181). 
Anatomy of the adult Cerianthus, Gravier (63). 
Anatomy and histology of Semper’s larvse, Menon (111). 
Anatomy of brood chambers of Actiniae, Clubb (25). 
Histology, Schneider (152). 
Mesogloeal cells of Alcyonium , Pratt (139). 
tStructure, and relationships of the Rugosa to the living Zoanthece, 
Duerden (40). 
Pigments in corals, MacMunn (106). 
Anatomy and histology connected with budding and fission in Madre- 
poraria , Duerden (42). 
Anatomy and development of Flahdlum spp., S. Africa, Gardiner (58). 
Anatomy, classification, and coral formations, Bourne (14). 
Mode of formation and development of aggregated colonies of Madre- 
porarian corals, Duerden (38). 
Primary hexamerism in Lophophyllum proUferum, Duerden (37). 
Increase of mesenteries in Madrepora beyond the protocnemic stage, 
Duerden (41). 
Origin of calcareous forms, Strijoff (163). 
Regeneration of the oesophagus of Sagartia lucice, Hazen (76). 
Budding and fission in Madreporaria , Duerden (42). 
Variations and nomenclature of reef corals, Verrill (178). 
Variation of Metridium , Torrey (171). 
Variation and protandry in Flabellum rubrum and senescence in same 
and other corals, Gardiner (55). 
Commensalism between Discosoma sp. and fish, Horst (86). 
Symbiosis between crabs and Anthozoa , Schwarze (155). 
Copepod parasite of Anemonia svdcata, Caullery & Mesnil (21). 
tRaised coral reefs, Yoshiwara (187). 
Formation of coral reefs, discussion of recent research, May" (110). 
Dangers of coral reefs to navigation, Gardiner (56). 
Geography. 
Distribution of Acropora , Verrill (180). 
Distribution of the Xeniidce , Kukenthal (97). 
t Russia, Devonian spp. of corals, Lebedew (101). 
tSweden, 1 n. sp. of Leptopkyllia from the mammillated-chalk, Hennig 
(82). 
