152 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



EXPLANATION OF PLATE 24 



PAGE 



Fijr. 1. Macropneustes antillarum Cotteau. Lower surface of test. Cal. 



103 



Acad. Sci. No. 374. X 



88 

 Fig. 2. Qypeaster, species A. Lateral surface of test. Cal. Acad. Sci. 



89 



No. 373, type. X 



60.5 

 Fig. 3. Macropneustes mexicanus Kew. Lateral view of test. Cal. 



101 



Acad. Sci. No. 375, type. X 134 



76 



