264 CALIFORNIA ACADEMY OF SCIENCES. [Peoc. 3D Ser. 



pairs under these metatarsi. Abdomen usually broadest behind the middle, 

 pointed at the tip. The & is 2.9mm. long; femur I 3 mm.; pale, sometimes 

 indistinct spots on the abdomen; femora I and II not dotted, or but faintly, 

 red band at tip, and at tip of patellae, base and broad band at tip of tibiae, 

 apical halves of metatarsi and tarsi; palpi much like M. spinosa, the style 

 short. 



Various examples from El Taste, Sierra San Nicolas, 

 Sierra Laguna, and San Jose del Cabo, Sept. 



210. Misumena sp.? — Two specimens (?) from El 

 Taste appear to be different from the others, but are rather 

 uncertain. They are much like M.rpeninsulana, but plainly 

 much smaller. 



211. Diaea damnosa Keys. — Several specimens from 

 Tepic, Oct. and Nov. 



212. Runcinia parva Keys.? — Two immature females, 

 probably this species : Tepic. 



213. Runcinia sp.? — Two young females from Magda- 

 lena Island. White spot on the cephalothorax connected 

 by a median line to the eye-region ; on each side of the ab- 

 domen is a red stripe. 



214. Tmarsus magniceps Keys. — One young specimen 

 from San Jose del Cabo. 



215. Tmarsus separatus, sp. nov. 

 Plate XVI, Fig. 10. 



Length 5 mm.; ceph. 2 mm. long, broad 1.8 mm.; femur I 2.4 mm. 

 Cephalothorax brown, darkest behind and on the sides, a curved white line 

 across the thoracic region, behind which is a small white spot, in front are 

 three white lines, separated at base, and extending to the eye-region; a 

 transverse line behind the P. M. E., a spot in front, and the anterior margin 

 narrowly white. Legs pale yellowish, basal joints of anterior pairs (except 



