132 CARCmOLOGICAL NOTES; BY J. S. KINGSLEY. 



EXPLANATION OF PLATES. 



Fig. 



1 Evaxius tricarinatus. 



2 Leander hammondi; a, antennula; b, carapax; c, second tho- 



racic foot. 



3 Caradina africana ; a, second thoracic foot. 



4 Hippolysmata intermedia. 



6 Crangon vulgans; a, mandible; 6, chela; c, antennal scale. 



6 Crangon boreas; with chela, mandible and antennal scale. 



7 Crangon franciscorum and chela. 



8 Hippolysmata wurdemanni and mandible. 



9 Antennal scale of Crangon vulgaris (the form described as 



nigricauda). 



10 Crangon tenuifrons. 



PLAT^ II. 



Fig. 



1 Nephrops occidentalis. 



2 Alpheus packardii. 



3 Alpheus Icevigatus; a, second thoracic foot. 



4 Chela of Alpheus harfordi; a, anterior portion of carapax, etc. 

 6 Alpheus websteri. 



6 Alpheus sinuosus. 



7 Alpheus thetis. 



8 Alpheus fioridanus, 



9 Hippolyte prionota. 



10 Rostrum and a, antennula of Anchistia americana. 



