193 



CHAPTER X. 



NIGHT-LIGHTS AND ENTOMOSTRACA. 



NOCTILUCA MILIAKIS. — ENTOMOSTRACA. — DR. BAIRd'S ACCOUNT OF THEIR 

 HABITS. — CHIROCEPHALUS DIAPHANUS, — ARTEMIA SALINA. — CYPRID.E , 

 — CYCLOPS QUADRICORNIS. — LERNEONEMA SPRATT.E, 



'•' Awaked before tlie nisliiug prow 

 The mimic fires of ocean glow, 



Those lightnings of the wave : 

 ^Yild sparkles crest the broken tides, 

 And, flashing round, the vessel's sides 



With elfish lustre lave ; 

 While far behind, their livid light 

 To the dark billows of the night 



A blooming splendour gave." — Scott. 



Speaking of the animalcula which, like the land glow- 

 worm, shine with their own light, Pennant says, "While 

 rowing at night, I have seen the whole element as if on fire 

 around me ; every oar spangled with them, the water shin- 

 ing with more than ordinary brightness. I have taken up 



o 



