278 THE CANADIAN ENTOMOLOGIST, 



with four broad teeth ; clypeus short, sparsely punctured, except at base, 

 margin dentate ; mesonotum anteriorly vvith two oblique lines of whitish 

 pubescence ; segment i short, with a broad concavity, 2-5 with unusually 

 broad fasciae of pale pubescence ; segment 6 very short and broad, a 

 little convex in profile, clothed vvith long, appressed, glittering, yellowish 

 or whitish pubescence, sometimes blackish at tip ; scopa white, a little 

 fuscous on segment 6 ; hind tibise broader than metatarsi ; 12-14 mm.; 5 

 specimens. 



In the paper on Sphecodinse, Eht. News, 14 : 103, Stelidium is a slip 

 of the pen for Sphecodium. 



Andrena pole7}ionii belongs to Ptilandrena. 



BOOK NOTICE. 



Instinct and Intelligence in the Animal Kingdom. — A Critical 

 Contribution to Modern Animal Psychology, by Eric Wasmann, S. J, 

 (Authorized Translation of the Second and Enlarged Edition). — B. 

 Herder, St. Louis, Mo. 

 This is a book which ought to be read by every scientist for the clear 

 insight which it gives into the dangers of drawing rash conclusions. 

 Wasmann excels in clearness of thought, but most of all for his insistence 

 upon accuracy in using terms. He gives the clearest definition of 

 " instinct " we have ever met with. It is short, but full : " Instinct is a 

 sensitive impulse to actions that are unconsciously adaptive "; or, more 

 fully, " A sensitive impulse which induces a being to perform certain 

 actions, the suitableness of which is beyond the perception of the agent 

 that performs them," while " intelligence " is the "' power of formal 

 conclusion." Again, he says, " there is a power of sensitive cognition 

 which guides instinctive actions belonging to the exterior senses, and 

 there is also an interior sense which perceives the interior state of the 

 agent and feels the pleasant or disagreeable impression which the object 

 of the exterior sense-perception makes upon it; hence we must add the 

 power of sensitive imagination, and a sensile memory which reproduces 

 exterior sense-perceptions and interior sensile feelings, and combine them, 

 one with another, and with new sense-perceptions according to the nature 



