with descriptions of several of the objects which cause it. 429 



1846. 1847. 1848. 1849. 



April. Acalephse, exuviae Acalephse, Beroe, 



of Balani and small Crustaceans 



Crustaceans. such as Polyphe- 



mi, &c. 



May. Acalephse, Beroe, Acalephse, Beroe, 



&c. &c. Zoea, Polyphemi 



abundant, and 

 other minuteCrus- 

 taceans. 



June. Acalephae, 



Beroe, &c. 



July. Volvox abundant. Acalephse, Diphy- 



diae, Cyclops, Vol- 

 vox, &c., most 

 abundant. 



Aug. Minute Anne- Volvoxabundant. Crustaceans, Anne- 



lides. Gemmae lides, Acalephae, 



of Polyps. &c., of various 



kinds, abundant. 



Sept. Gemmae of Poljps 



and Cyclops abun- 

 dant. 



Oct. Exuviae of Balani Crustaceans of va- 



abimdant. rious kinds abun- 



dant. Diphydiae, 

 Acalephae, &c. &c. , 

 plentiful. 



Nov. Ditto with mi- All as above with 



nute Acalephse, others. 



Beroe, &c., ab- 

 undant. 



Dec. Crustaceans not Opossum shrimps 



uncommon. abundant. 



Number of times when the weather has changed suddenly from fine to 

 wet with gales of wind, heavy surf, and at times tempestuous with thunder 

 and lightning after unusually luminous display's : — 



1846, 1 ; 1847, 9; 1848, 13; 1849, 19: 



.'hen it continued fine : — 



1847,2; 1848,4; 1849,3. 



List of objects observed. 



Gasteropoda Young of Eolis. 



TuNiCATA Tadpole of a Cynthia. 



CiRRHOPODA Exuviae, and young of. 



Crustacea Opossum shrimp, Zoea, Oniscus cceruleus, Poly- 

 phemus, Cyclops, Cypris, &c. 



Annelida Two varieties of small swimming ones. 



ZooPHYTA Probably Gemmae of Laomedea and Campanularia. 



AcALEPH^ Willsia stellata, Saphenia dinema, Sarsia prohfera, 



Thaumantias octona, Thaumantias inconspicua, Thaumantias lucifera, 

 Bougainvillia nigritella, Lizzia bloudina, Lizzia octopunctata, Steen- 

 strupia rubra ; Beroe, two varieties ; a number of other forms, the young 

 of the above ; Diphydiae, new to the British coasts, two varieties. 



Volvox Two varieties ; 



and minute jointed Algae. 



