ZOOLOGY AND BOTANY, MICKOSCOPY, KTC. 



365 



long threads which twist together into a common cord which, protrudes 

 from the genital opening of the female. The female of Osphrcmemis 

 gonrami aerates the eggs with mouthfuls of air engulfed at the surface. 

 The female of Etroplus maculatus ejects a mouthful of dark sediment 



3-- 



A. Cluster of eggs of Haplochilns melanostigma. a, adhesive threads ; 



o.g, oil -globule : fil, long filaments; ch, cord formed by union 

 of twisted filaments ; e, eye. 



B. Lateral view of embryo inside the egg-membrane. 



nil 





Eggs of Gobius (Oxyurichthys) striatus. 



A. Outline of three clusters of eggs attached to rock. 



B. Two eggs enlarged with advanced embryos, showing egg-membrane (a), 



yolk {b), oil-globule (e), heart (d),and eye {e). 



into the nest containing the young fry. In Gobius {Glossogohius) giuris 

 and in Gobius {Oxyurichthgs) striatus the egg-membrane is in the form 

 of a long tube, which is fixed to the roof of a burrow in the first instance^ 



and to stones and the like in the second. 



J. A. T. 



