AUSTRALIAN HYDROMEDUS.E. 39 



58. Genus ^EQUOREA. Peron et Lesueuer. 



^Equorinu> with numerous radial canals. Stomach flat, without manu- 

 brium. Lateral stomach wall rudimentary, A-ery low. Mouth wide open ; 

 margin of mouth simple, without flaps or frills. 



172. JEquorea eurhodina. Peron et Leseueur. (2) IV. 359, (50) 220, 



(95) 610, (102) pi. IX, (115) 336. 



South coast of Australia (Bass' Straits). 



59. Genus RHEGMATODES. A. Agassiz. 



^Equorimf with numerous simple radial canals. Stomach small, funnel- 

 shaped, reserved, conic, constricted below. Margin of mouth simple, smooth, 

 or crispy, without flaps or frills. 



1 73. Rhegmatodes thalassina. Haeckel. (50)222,95,611. 



.Equorea cyanea (2) IV, 359, (15) 277, (102) pi. X, figs. 1-G. 

 ^Eqnorea thalassina (115). 

 North coast of Australia (Arnheim's Land). 



XII. Familia CAMPANULINIDJE. 



V. Lendenfeld. 1884. 



Polyp-colonies, which are differentiated into alimentary polyps, with one 

 verticil of filiform tentacles and generative polyps, polypostyles without mouth 

 or tentacles. Both are invested by chitinous capsules. The polypostyles 

 only produce medusa by budding, which remain sessil and become rudimen- 

 tary meduso-styles. (10) (11) (14) (86) (131) 158. 



I._Sub-familia CAMPANULININJE. V. Lemlenf.-ld. 



The hydrothecae are radially symmetrical and situated terminally on the 

 stem and branches. 



60. Genus CAMPANULAPJA. Hincks. 



Alimentary polyps attached to the bottom of the simple cup-shaped hydro- 

 thec;e, with a broad and basal disc. The hydrocauli arise direct from the 

 hydrorhiza. (42) (65) II, 631 (131), 144. 



179. Campanularia simplex. Bale. (9) 58. 



Laomedra simplex (83) 207, (85) 482. 

 Australia. 



175. Campanularia tincta. Hincks (9) 57, (60), (93) 403. 



Hincksia tincta (2). 

 South coast of Australia (Port Phillip, Portland). 



176. Campanularia costata. Bale. (9), (93) 403. 

 North coast of Australia (Port Darwin). 



