PLATE II. 



[All natural size.] 



1. PTirynosoma cnrnutum Blainv. (12618). 



Cape St. Lucas, Lower California. 



2. Phryvosoma blainvillii Gray. (18459). 



Old Fort Tejon, Calif. 



3. Phrynosomu goodci Stejn., sp. nov. Type. (8567a). 



Coast of Sonora, Mexico. 



4. Phrynosoma plqtyrMnos Guard. (18461). 



Ash Meadows, Nevada. 

 On all the figures — . 



a represents head in profile. 



b represents top of head, mandibular spines excluded, 

 c represents mandible from below, niaxillar and other cephalic spines 

 excluded. 

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