A COLLECTION OF HYDROTDS. 



337 



(30) Cam j)ainilaria tincta Hinch'^. 



Campanularia tincta Hincks. ' Ann. Nat. Hist." April, 1861 ; Bale, 



W. M., ' Cat. of the Australian 

 Hydroid Zoophytes,' 1884, p. 57. 



This hydroid grows on sea-weeds and larger hydroids. 

 Trophosome. — Hydrorhiza forms a reticulum. 



Text-fig. 18. 



Campanularia tincta Hincks. x 30. 



Diameter, 0"12 mm.; thickness of perisarc, 19 /n. 



Hydrocaulus. — Simple upright stems, variable in height, 

 with single terminal hydrotheca, wavy outline. Small, some- 

 what compressed spherule immediately below the base of the 

 hydrotheca with a slightly smaller diameter than that of the 

 stem. 



Length of stem varies from about 0*4 nnn. to I'S mm.; 

 diameter 0"071 mm., thickness of perisarc 9"7 ^. 



Hydrotheca. — Large, tubular, and sometimes slightly ex- 



