INDEX 

 To Communications, Vol. IV. 



Acanthogorgia coccinea, 152, 188 

 Accipiter Cooperii, 51, 92, 95, 98 



fuscus, 51, 92, 95, 98 

 Actinacea, 148 

 Actinaria, 147 

 Actinida?, 148 

 Actiturus Bartramius, 78 

 Actodromas Bonapartii, 77, 87, 95 



maculata, 77, 95 



minutilla, 77 



pusillus, 95 

 JSgialeus melodus, 86, 93, 96 



semipalmatus, 77, 94 

 iEgialitis melodus, 86 



semipalmatus, 77 



vociferus, 77 



Wilsonius, 86 

 JEgiothus linarius, 70, 93, 96 

 Agelseus phoeniceus, 74, 92, 96 

 Aglaope, 31, 33 



americana, 33 



coracina, 31 

 Aix sponsa, 79, 93, 96 

 Alcyonacea, 148, 190 

 Alcyouaria, 14S, 181 

 Alcyonella, (note) 203 

 Alcyonidse, 148, 190 

 Alcyonium? 191 



agaricum, 191 



rubiforme, 190 



sp., 191 

 Allen, J. A., Catalogue of Birds 

 found at Springfield, 

 Mass., 48 



on the Duck Hawk, 153 

 Alypia, 23 



Pupa, 24 

 Ammodromus caudacutus, 84, 92, 96 



marithnus, 84, 92, 96 



ESSEX INST. PROCEED. IV. DD 



Ammonactis, nov. gen., 160 



rubricollum, 151 

 Ampelis cedrorum, 66, 92, 95 



garrulus, 66, 93, 96 

 Anas boschas, 78, 95 



obscura, 78, 93 

 Anatolmis, nov. gen., 45 



Grotei, nov. sp., 47 

 Ancylocheilus subarquata, 87, 94 

 Anortliura hyemalis, 68 

 Anser erythropus, 88 



Gambelii, 87, 94 



hyberboreus, 87, 94 

 Ansetus, 139 

 Anthax morio, 127 



ornata, 128 

 Anthelia lineata, 193 

 Antherophagus, (Byturus) 104, 108 

 Anther opbagus, 128 



ochraceus, 128 

 Anthophorabia, notes on a new 

 species of, 133 



Larva of, 137 



megachilis, nov. sp., 134 



Pupa of, 136 

 Anthus ludovicianus, 58, 94 

 Antipathacea, 147 

 Antipathes flabellum, 187 

 Antipathidae, 148 

 Antrostomus vociferus, 53, 92, 95 

 Apathus, 104, 108, 118 



Ashtoni, 118 



citrinus, 119 



contiguus, 119 



elatus, 120 

 Aquila canadensis, 81, 93 

 Archibuteo lagopus, 51, 93 



Sancti-Johannis, 51, 93 

 Ardea herodias, 76, 93, 96 

 Ardetta exilis, 76, 93, 96 



May 28, 1866. 



