12 God. 
XVI. CCELENTERATA. 
Ophiodes gorgonoides (G. 0. Sars) ; Bonnevie (15). 
Pandect violacea , n. sp., p. 160, Fiji and Tortugas ; Agassiz & Mater (2) 
Pennaria vitrea , n. sp., p. 161, Fiji (Medusa); Agassiz & Mayer (2). 
Perigonimus sarsii , n. sp. ; Bonnevie (15). 
Perisiphonia chazaliei , n. sp., [Perisiphonidae], AA T est Indies, 80 metres, 
pp. 32-36 ; Versluys (130). 
Pleurocarpa rarnosa Fewkes, allied to Lytocarpus , p. 57 ; Versluys (130). 
Plumularia pinnata L. var. ; Bonnevie (15). 
Polycanna purpurostoma , n. sp., p. 169, Fiji; Agassiz & Mayer (2). 
Selaginopsis mirabilis (Verrill); Bonnevie (15). 
Sertularella nodidosa , n. sp., p. 360 ; Calkins (18). 
Sertularia gracilis Hassall probably a Desmoscyphus but not synonymous 
with the D. gracilis Allman, pp. 41 & 42 ; Versluys (130) 
Staurodiscus nigricans , n. sp., p. 164, Fiji; Agassiz & Mayer (2). 
Stylactis hooperii , n. sp., allied to Hy dr actinia, on shells of living Ryanassci 
obsoleta\ Sigerfoos (118). 
Thuiaria divergens, n. sp., p. 372, Funafuti; AVhitelegge & Hill (134). 
Tiaropsis rosea , n. sp., p. 168, Fiji; Agassiz & Mayer (2). 
HYDRO CORA LLINA . 
General Biology. 
Histology. Myophan axis in the stinging threads of Millepora ; Hickson 
(62). 
Liberation of free-swimming Medusae of Millepora observed ; Duerden 
(32). 
Systematic. 
t Labechia huronensis (Billings) [Stromatoporidae]; Lambe (76). 
Millepora alcicornis L. Description and illustration of different facies 
assumed by this Hydrocoralline ; Hickson (61 & 62). 
t Tragos pisiforme Gldfs. ; Fortin (35). 
SIPHONOPHORA. 
General Biology. 
Cytology ; Montgomery f92). 
Histology : Structure of the nematocyst batteries ; Schneider, K. C. 
(116). 
Distribution. 
Fiji ; Agassiz & Mayer (2). 
Funafuti; AVhitelegge & Hill (134). 
California: Praya californica ; Gravier (46). 
Tortugas : Agalma pourtalesii found also at Fiji; Agassiz & Mayer 
(2). 
Systematic. ' 
Agalma pourtalesii , n. sp., p. 180, Fiji and Tortugas ; Agassiz & Mayer 
( 2 ). 
Diphyopsis angustata Haeckel, p. 179, Fiji; Agassiz & Mayer (2). 
