VIH CONTENTS. 



Descriptions of genera and species Continued. 

 Suborder Balanomorpha Continued. 

 Family Balanidae Continued. 



Subfamily Balaninae Continued. Page. 



Genus Balanus (Megabalanus) tintinnabulum antillensis G3 



Balanus (Megabalanus) tintinnabulum californicus 65 



Balanus (Megabalanus) tintinnabulum peninsularis. . . 66 



Balanus (Megabalanus) tintinnabulum coccopoma 68 



Balanus (Megabalanus) tintinnabulum concinnus 69 



Balanus (Megabalanus) tintinnabulum galapaganus ... 70 



Balanus (Megabalanus) algicola 72 



Balanus (Megabalanus) ajax 74 



Balanus (Megabalanus) psittacus 75 



Balanus (Megabalanus) maxillaris 77 



Balanus (Megabalanus) decorus 77 



Balanus (Balanus) eburrieus 80 



Balanus (Balanus) improvisus 84 



Balanus (Balanus) amphitrite 89 



Balanus (Balanus) amphitrite albicostatus 90 



Balanus (Balanus) amphitrite niveus 92 



Balanus (Balanus) amphitrite inexpectatus 97 



Balanus (Balanus) amphitrite peruvianus 97 



Balanus (Balanus) concavus 100 



Balanus (Balanus) concavus glyptopoma 102 



Balanus (Balanus) concavus proteus 103 



Balanus (Balanus) concavus chesapeakensis 103 



Balanus (Balanus) concavus pacificus 104 



Balanus (Balanus) concavus coosensis 108 



Balanus (Balanus) regalis 108 



Balanus (Balanus) poecilus 110 



Balanus (Balanus) alatus 110 



Balanus (Balanus) poecilotheca 110 



Balanus (Balanus) trigonus Ill 



Balauus (Balanus) spongicola 115 



Balanus (Balanus) calidus 118 



Balanus (Balanus) laevis 120 



Balanus (Balanus) laevis nitidus 122 



Balanus (Balamis) laevis coqtiimbensis 122 



Balanus (Balanus) perforates 123 



Balanus (Balanus) gregarius 126 



Balanus (Balanus) aquila 127 



Balanus (Balanus) nubilis 131 



Balanus (Balanus) flos 135 



Balanus (Balanus) rostratus 138 



Balanus (Balanus) rostratua alaskensis 141 



Balanus (Balanus) rostratus heteropus 142 



Balanus (Balanus) rostratus apertus 144 



Balanus (Balanus) rostratus dalli 147 



Balanus (Balanus) balanus 149 



Balanus (Balanus) balanus pugetensis 163 



Balanus (Balanus) crenatus 1 65 



Balanus (Balanus) crenatus curviscutum 175 



