COLLETES. 185 



sive subjects suggested by the matter in hand, and here 

 a dry didactic style has been purposely avoided, as in 

 the majority of cases they record the personal experi- 

 ences or notions of and hints from an old practical en- 

 tomologist. 



CLASS INSECTA METABOLIA, Leach. 



Order HYMENOPTEBA, Linnceus. 



DIVISION ACULEATA, Leach. 



Antennae in male with 13 joints, in female with 12. Abdomen in male 

 with 7 segments, in female with 6. 



FAMILY MELLICOLLIGER^ (Honey-collectors), Shuck. 



Subfamily 1. ANDRENIDES (Subnormal Bees), Leach. 



Syn. Genus MELITTA, Kirby. 



The maxillary palpi always six-jointed. 



Section 1. With lacerate par aglossce. 



Subsection a. LINGTLE EMARGINAT^ZE (with emarginate tongues). 

 Syn. OBTTTSILINGUES, Westw. 



Three submarginal cells to the ivings. 



Genus 1. COLLETES, Latreille. 

 (Plate I. fig. 1 tf ? .) 

 MELITTA * , Kirby. 



Gen. Char. : HEAD transverse, flattish ; ocelli in an 

 open triangle on the vertex ; antennae not geniculated, but 

 slightly curved, filiform, short ; joints, excepting the basal 

 or scape, which is as long as five of the rest and slightly 

 curved, nearly equal ; face beneath and within the inser- 

 tion of the antennae, slightly protuberant, laterally flat 

 or concave; clypeus convex, margined anteriorly, entire; 

 labrum transverse, slightly produced in the centre in 



