Memoirs of the National Academy of Sciences . Fig. 12.—Head of iiii| ofTfgeticvla yvccaselln. With licr xillary tentacle, so womlerrnlly iiiodilied for the purpose, slie collects the jiollen in large pellets it nnd<r the neck and against the front trochanters. In this inanuer she sometimes carries a mass thriel^ thesize of her head (fig. a, 1h, mi.). Ill Rileys figure of Tri/ciirula (Promiba) maculatn this orsan repre- iseiited arising Iroiii the same Joint (pal-pifer) as, the maxillary palpi; it is Jointedand bears stout bristles, and would naturallybe regarded


Memoirs of the National Academy of Sciences . Fig. 12.—Head of iiii| ofTfgeticvla yvccaselln. With licr xillary tentacle, so womlerrnlly iiiodilied for the purpose, slie collects the jiollen in large pellets it nnd<r the neck and against the front trochanters. In this inanuer she sometimes carries a mass thriel^ thesize of her head (fig. a, 1h, mi.). Ill Rileys figure of Tri/ciirula (Promiba) maculatn this orsan repre- iseiited arising Iroiii the same Joint (pal-pifer) as, the maxillary palpi; it is Jointedand bears stout bristles, and would naturallybe regarded as the maxilla itself, but liiley,iu his diagnosis of the family Prodoxida,says: Maxillary palpi long, elbowed, five-jointed, the basal Joint either protubei-ant(Prodoxus) or modified into a prehensileieutacle (Tegeticula). It is evident thatthis structure needs further examinationto establish its real nature or homology. Indeed, I am disposed to regard the so-called maxillary tentacleas the maxilla itself, and perhaps the maxilla of Kiley


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Keywords: ., bookcentury1800, bookdecade1890, bookidmemoirsofnat, bookyear1895