Land, Fresh- Wate7\ and Marine Cntstacea. 289 



unfortunately accidentally crushed by the object-glass of the 

 microscope having been lowered down on it. I have examined 

 a considerable number of G. acuticostata and allied forms, 

 but have failed to observe any with which C. hodotria could 

 be incorporated. 



94. Cytherura striata, G. 0. Sars. 



1865. Cytherura striata, G. 0. Sars, I. c, p. 74. 



Rah. — Off Musselburgh, Largo Bay, and other parts of the 

 estuary; moderately frequent. 



95. Cjjtlientra angulata, G. S. Brady. 



1868. Cytherura angulata, Brady, Monograph recent British Ostra- 

 coda, p. 440, pi. xxxii. figs. 22-25. 



Hah. — Dredged off the west side of Inchkeith and other 

 parts of the estuary, but not very plentiful. 



96. Cytherura undata, G. 0. Sars. 



1865. Cytherura undata, G. 0. Sars, I. c, p. 75. 



Hah. — Dredged off Musselburgh, and off the west side of 

 Inchkeith and other places. It appears to be generally dis- 

 tributed, but being very small (about the -gV^h of an inch in 

 length) it is easily overlooked. 



97. Cytherura jproducta, G. S. Brady. 



1868. Cytherura produda, Brady, Men. rec. Brit. Ostrac, p. 443, 



pi. xxxii. figs. 60, 61. 

 1890. ,, mucronata, T. Scott, Eighth Kept. F. B. S., 



pt. iii. p. 323, pi. xii. figs. 3-5 (? juv.). 



Hah. — Dredged in Largo Bay and off St Monans, but not 

 very common. 



98. Cytherura nigrescens (Baird). 



1850. Cythere nigrescens, Baird, Brit. Entom., p. 171, pi. xxi. 

 figs. 4, 4a. 



Hah. — South Bay, off Musselburgh, common. It has also 

 been observed in other parts of the estuary. 



