246' Notes on JVbrth American Crustacea. 



This species lives in the open ocean, and is sometimes found 

 in vast quantities in the Pacific off the American Coast. It 

 was taken by Mr. Grayson in W. lat. 24°, W. long. 130°. In 

 March, 1859, it was thrown ashore in considerable numbers at 

 Monterey, California, from which place specimens were for- 

 warded to us by Alex. S. Taylor, Esq. 



LIST OF riGUKES. 

 Plate II. 



Fig. 1. AnaptT/ckns cornutus $ nat. size. 



" la. External antenna and orbit of the same, from beneath. 



" lb. External maxilliped of the same. 



" 2. Teleoplirys cristulipes $ twice natural size. 



" 3. Uucinetojjs lucasii, the male specimen referred to on p. 192, 



twice natural size. 



" 4. CoUodes granosus 2 natural size. 



" 5. Podochela grossipes $ nat. size. 



" 6. Podochela riisei J nat. size. 



Plate V. 



Fig. 1. 3Ilmulus foliatus $ nat. size. 



" 2. Xantho hella $ nat. size. 



" 3. Xanthodes taylori $ nat. size. 



" 4. Metopocarcinus truncatus $ twice nat. size. 



" 5. Euphylax dovii, frontal region, nat. size. 



" 5a. Outer maxilliped of the same. 



" 6. Pliosoma parvifrons, nat. size. 



