620 Bulletin American Museum of Natural History [Vol. XL VIII 



Dromidia segnipes Weymouth, 1910, Leland Stanford Jr. Univ. Publ., Univ. Ser., 



No. 4, November 12, p. 15, PI. i, figs. 1-2. 

 Dromidia larraburei Schmitt, 1921, Univ. Calif. Publ. Zool., XXIII, p. 183, PI. 



xxxiii, fig. 1. 



Magdalena Bay: Sail Rock, Entrada Point, S. 53° W.; Redondo 

 Point, S. 15° W.; lat. 24° 35' 20" N., long. 111° 59' 35" W.; 13.5 

 fathoms; S. brk. Sh.; March 21; station D5678; 2 small 9 ; one "had a 

 large compound ascidian on its back." 



Without locality label; 1 9 , soft-shell. 



See also list of larvae. 



Hypoconcha digueti Bouvier 

 1898, Bull. Mus. Hist. Nat,, Paris, IV, pp. 374 and 376. 



San Estaban Island; 1 d 1 without chelipeds. Length of carapace 

 10.2 mm., width 10.6 mm. 



The type female came from La Paz Bay. 



CALAPPIDiE 



Cycloes bairdii Stimpson 

 Cyclois bairdii Stimpson, 1860, Ann. Lye. Nat. Hist. N. Y., VII, p. 237 [109]. 

 Cape San Lucas; March 23; 2 cf 1 9 . 



PORTUNID^I 



Portunus (Portunus) xantusii (Stimpson) 

 Acheloiis xantusii Stimpson, 1860, Ann. Lye. Nat. Hist, N. Y., VII, p. 222 [94]. 



Point San Bartholome ; 2 juv. Also with boat dredge; March 13 ; 

 3 & 5 9. 



Santa Maria Bay; boat dredge; March 18; 100 juv. 



Magdalena Bay: Sail Rock, Entrada Point, S. 53° W.; Redondo 

 Point, S. 15° W.; lat. 24° 35' 20" N., long. 111° 59' 35" W.; 13.5 fathoms; 

 S. brk. Sh.; March 21; station D5678; 1 ef 1 9 . 



Cape San Lucas; March 23; 6 cf 8 9 (2 ovigerous). 



Pichilinque Bay: By electric light; March 27; 6 cf 1 9 16 juv. 

 April 18; 6 cf 1 ovigerous 9 . By electric light; 1 juv. 



San Josef Island; March 31; 1 & 1 9 . 



Agua Verde Bay; April 1; 1 juv. 



Without locality label; 59 juv. 



Arenaeus mexicanus (Gerstsecker) 

 Euctenota mexicana Gerstsecker, 1856, Arch. f. Naturg., XXII, pt. 1, p. 131, PI. v, 

 figs. 3 and 4. 

 BallenasBay; March 16; 1 d 1 9 . 



