132 CARCINOLOGICAL NOTES ; BY J. S. KINGSLEY. 



EXPLANATION OF PLATES. 



PLATE I. 



FIG. 



1 Evaxius tricarinatus. 



2 Leander hammondi; a, antennula; 6, carapax; c, second tho- 



racic foot. 



3 Caradina africana; a, second thoracic foot. 



4 Hippolysmata intermedia. 



5 Crangon vulgaris; a, mandible; b, 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. 



PLATE 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 floridanus. 



9 Hippolyte prionota. 



10 nostrum and a, antennula of Anchistia americana. 



