INDEX. 159 



Page. 



Pulvilli, defined 22 



Pupa, defined 12 



Pupal stage, defined 12 



Quadrate plate of sting of honey bee 76 



Queens, defined 130 



function in hive 130-131 



Radio-medial cross-vein, defined 23 



Radius of generalized wing 22 



wings of Hymenoptera 59-62 



Rectal glands, defined 90 



of honey bee 106 



Rectum , defined 90 



of honey bee 106 



Reproductive system 130-139 



of drone bee 132-134 



queen bee 134-139 



Respiration, movements 118 



muscles 118-119 



physiology 112-114 



Respiratory system 112-119 



Retinuloe cells 129 



' ' Retractor linguae biceps " 51 



' ' longus " 51 



Rhabdomes of compound eye 129 



' ' Riechschleimdriisse " 41 



Royal jelly 92-94 



Salivary glands 87-89 



of head 87-88 



thorax 88-89 



opening on labium 49 



pump 50 



Sawfly, Itycorsia discolor, wing veins 59-61 



Scape 32 



' ' Schlundbein " 50 



Sclerites, defined 14 



Scutellum, defined 19 



of mesotergum of honey bee 55 



Scutum, defined 19 



of mesotergum of honey bee 55 



Second maxilla% defined 17 



Sheath of sting 75 



basal arms 75 



bulb 75 



shaft 75 



Simple eyes 27, 130 



Sinuses, defined '. 107 



Sirex Jlavicornis, first abdominal segment 58 



metapleurum 57 



wing veins 60-62 



Small intestine, defined 90 



of honey bee 105 



Smell, sense 33-39 



