Cushman. 
Vineyard Sound Ostracoda. 
PLATE 33. 
Cytheridea rubra Muller. 
Fig. 57. Shell of female from side. X 45. 
Fig. 58. Shell of female from below. X 45. 
Fig. 59. Antennula of female. X 210. 
Fig. 60. Mandible of female. X 210. 
Fig. 61. Second and third feet of female. X 210. 
Cytheridea seminuda sp. nov. 
Fig. 62. Shell of male from side. X 45. 
Fig. 63. Antenna of male. X 210. 
Fig. 64. Copulatory organ of male. X 120. 
Cytheridea papillosa Bosquet. 
Fig. 65. Shell from side. X 45. 
Fig. 66. Shell from above.* X 45. 
Cytheridea americana sp. nov. 
Fig. 67. Mandible of male. X 210. 
