182 J. S. KITTREDGE et al. 

Figs. 22-28. Fig. 22, an isopod, Ligyda occidentalis; Fig. 23, a beach hopper, Orchistoidea cali- 
forniana; Fig. 24, a tarantula, Acanthrophrynus coronatus; Fig. 25, a scorpion, Hadrurus hirsutus. 
Mig. 26, a shrimp, Spivontocaris picta; Fig. 27, a crab, Pachygrapsus crassipes; Fig. 28, a spiny 
lobster, Panulirus interruptus. Taurine, 5; glycine, 14; arginine, 15; lysine, 16; aspartic acid, 18; 
tyrosine-O-sulfate, 27. 
References p. 186 
