xlii 



INDEX. 



PAGE 



Nomada civilis Cress 78 



Crotchii Cress 81 



cruedilis Cress 82 



dilucida Cress 80 



Edwardsii Cress 72 



fragilis Cress 79 



Heiligbrodtii Cress 75 



jocularis Cress 202 



Krugii Cress 76 



libata Cress 80 



limata Cress 76 



melliventris Cress 82 



m ex i can a Cress 76 



Morrisonii Cress 72 



munda Cress 80 



opposita Cress 73 



pacata Cress 81 



parata Cress 81 



pilosula Ci-ess 77 



Ridingsii Cress 74 



rivalis Cress 79 



scita Cress 77 



Snowii Cress 75 



suavis Cress 74 



Buda Cress 203 



verecunda Cress 203 



vicinalis Cress 78 



vinnula Cress 202 



vitticollis Cress 78 



zebrata Cress 73 



Noserus emarginatus Horn 65 



Nothus viii 



luteus Horn 339, viii 



Oberea (table of species) 45 



(list of species) 48 



basalis 46 



bimaculata 46 



discoidea 47 



flavipes 46 



gracilis 47 



mandarina 47 



my ops 47 



ocellata 46 



oculaticollis 46 



quadricallosa 46 



ruficollis 47 



Seliaumii 46 



texan a ^orw 47 



tibialis 46 



PAGE 



Oberea tripunctata 46, 47 



Omosita 287, 306 



colon 306 



discoidea 306 



Omus Dejeani (larva) 31 



OrthopeplusiTbrji 287,311 



quadricollis Horn 312 



Oryssus mexicanus Cress x 



occidentalis Cress ix 



Osiris marginatus Cress 83 



mexicanus Cress 82 



Osmia abjecta Cress 103 



abnormis Cress 105 



armaticeps Cress 104 



azteca Cress 105 



bella Cress 107 



bucconis 108 



cobaltina Cress 104 



coloradensis Cress 105 



exigua Cress 107 



faceta Cress 103 



georgica Cress 105 



integra Cress 106 



inurbana Cress 107 



latitarsis 106 



mandibularis Cress 102 



marginipennis Cress 106 



maura Cress 104 



nigrifrons Cress 103 



quadriceps Cress 104 



4-dentata C?-es5 107 



Pallodes 315, 318 



silaceus 318 



Pampbila dukolum Blake ix 



Pauurgus andrenoides Cress 62 



chalybaeus Cress 61 



fiinbriatus Cress 63 



halietulus Cress 63 



marginatus Cress 62 



maurus Cress 61 



nevadensis Cress 214 



nigrifrons Ci-ess 62 



regularis C7-ess 62 



Parnopes Edwardsii Cress iv, x 



Pemphus 169,174 



Perdita afBnis Cress 69 



hyalina Cress 68 



interrupta Cress 70 



obscurata Cress 70 



