STUDIES IN AUSTRALIAN ARANEID^. RAINBOW. 195 



luvnui (4aius,ll ijcu. )i<ir. 



Ceplialotlionu. — Longer tlian bniad. I'Km ccphalica elevated, 

 though not quite bo strongly so as in Missulena ; sides 

 declivous, truncated in front ; rlijpeus deep, sharply and 

 strong!}' indented at centre ; ocular area broader than long. 

 Pars thoracica sloping ; flioran'c fovea deep, procurved. 



li'alct's. — Large, massive, curving downwards, provided with 

 a rastellKiii ; margins of the furrow of each falx armed with 

 strong teeth, in additit)n to which there is also an intermediate 

 row of smaller teeth near the base. 



Eyes. — Eight, arranged in three series, reading from the 

 front, of 2, 2, 4 (fig. 7) ; rear row procurved. 



lje,/s. — Short, powerful, moderately spined, hairy; metatarsi 

 and tarsi of legs i. and ii. scopulated ; no true scopulse on 

 corresponding joints of legs iii. and iv. ; claws, three; relative 

 lengths : 4, 1, 2, 3. 



Palpi. — Long, powerful ; metatarsi and tarsi i. and ii. 

 scopulated. 



Muxillce. — Long, powerful, divergent. 



Labium. — Short, broad, free. 



Steniaiii. — Long, narrowest in front; sigilla large. 



Abdoiiteii. — Ovate. 



Spinnerets. — Four ; short, robust. Inferior mammillae, very 

 short and placed closely together ; superior mammillae three- 

 jointed ; first joint considerably longer than second ; the third 

 exceedingly minute. 



Gaius villosus, sp. nor. 



(Figs. Q-S.) 



9 Cephalothoi'ax, 16 mm. long, 13 mm. broad ; abdomen, 

 20.7 mm. long, 15 mm. broad (fig. 6). 



II Nom. prop., from Scripture. Meaning of name: "A lord; an 

 earthy individual." The name here given from the habit of the animal 

 excavating burrows in the soil. 



