1921 J Schmitt: The Marine Decapod Crustacea of California 201 



Key to the California Species op Epialttjs 



I. First tooth of the anterolateral margin large and prominent. 



pace in front of posterior lateral teeth nearly parallel. 



A. Eostrum obtuse, triangular, entire; no postocular spine. 



north of Monterey or Catalina Harbor.) 



Sides of cara- 



II. 



(Not known 



bituberculatus, p. 203. 

 B. Eostrum bifid, a small postocular spine, and a small triangular preoeular 



spine. 



productus, p. 201. 



First tooth of the anterolateral margin small, not prominent. Sides of cara- 

 pace convergent anteriorly between the two pairs of lateral teeth. Eostrum 

 prominent, depressed, flattened above and having a small, triangular notch 

 at the tip. No preoeular spine, postocular small. (Not known north of 



Santa Barbara.) 



' nuttalln, p. 202. 



Epialtus productus Randall 



Epialtus productus Eandall, Jour. Acad. Nat. Sci. Phila,, 8, 110, 1839; 

 Eathbun, E., The Fisheries and Fishery Industries of the U. S., sec. 1, 

 778, pi. 268, 1884; Holmes, Occas. Papers Calif. Acad. Sci., 7, 22, 

 pi. 1, fig. 1, 1900; Eathbun, H. A. E., 10, 173, 1904; Weymouth, Stan- 

 ford Univ. Publ., Univ. Ser., no. 4, 28, fig. 9, 1910; Baker, Eep. Laguna 

 Mar. Lab., 1, 100, 1912. 



Fig. 124. Epialtus productus, X about % (from Eathbun, E., U. S. N. M.). 



Characters. — Carapace smooth, sides in front of posterior lateral teeth nearly 

 parallel; first tooth of anterolateral margin large and prominent. Eostrum bifid, 

 deeply notched, inner margins of the horns slightly concave, outer convex. Pre- 

 oeular spine small, triangular ; postocular also small. Chelipeds stouter and 

 except in old males shorter than first ambulatory legs; hand long and narrow, 

 palm oblong, subcarinate above, becoming inflated with age; fingers slender, bent 



