TABLE OF CONTENTS V 



Tribe Brachyura — Continued. 

 Superfamily Brachyrhyncha — Continued. 



Family Portunidae — Continued. I'age 



Genus Portunites 68 



Portunites triangulum 68 



insculpta 71 



alaskensis 72 



Genus Portunus 75 



Portunus (Portunus) xantusii 75 



Genus Callinectes 75 



Callinectes bellicosus 75 



Subtribe Oxystomata 76 



Family Leucosiidae 76 



Genus Randallia 76 



Randaliia ornata 76 



/ pleistocenica 77 



Genus Persephona 77 



Persephona bigranulata • 78 



Family Calappidae 79 



Genus Calappa 79 



Calappa lanensis . 79 



Genus Mursia 81 



Mursia j^aquinensis 81 



marcusana 82 



Genus Hepatus 84 



Hepatus lineatus 84 



Genus Necrocarcinus 84 



Necrocarcinus hannae 84 



Subtribe Dromiacea 85 



Superfamily Homolidea 85 



Family Homolidae 85 



Genus Homolopsis 86 



Homolopsis richardsonl 86 



Genus Palehomola 86 



Palehomola gorrelli 86 



Superfamily Dromiidea 87 



Family Dromiidae 87 



Genus Graptocarcinus 88 



Graptocarcinus(?) species 88 



Subtribe Gymnopleura 89 



Family Raninidae 89 



Genus Ranina 89 



Ranina tejoniana 90 



americana 91 



Genus Raninoides 92 



Raninoides vaderensis 93 



lewisanus 94 



dickersoni 94 



washburnei 95 



eugenensis 96 



fulgidus 96 



asper 98 



Genus Ranidina 99 



Ranidina willapensis 99 



Genus Eumorphocorj^stes 100 



Eumorphocorystes naselensis 100 



Genus Palaeocorystes 101 



Palaeocorystes harveyi 101 



