Journal of experimental zoology . ses. Symmetry L, R; L. See also figure 34, which is right third leg of same fly- 16 Right first leg of male; coxa overlapped by thoracic plates, usually notrepresented; femur has a branch from its proximal end, but otherwise gives riseto a normal right leg, with 11 teeth and 2 claws. Branch from femur ends in ashort tibia and tarsus, the last segment of which is bifurcated; tarsus of branchhas a double comb of 6 and 9 teeth and each of end segments has a pair of comb and claws are lefts and rights. Symmetry R; L, R. Left thirdof same fly missing.


Journal of experimental zoology . ses. Symmetry L, R; L. See also figure 34, which is right third leg of same fly- 16 Right first leg of male; coxa overlapped by thoracic plates, usually notrepresented; femur has a branch from its proximal end, but otherwise gives riseto a normal right leg, with 11 teeth and 2 claws. Branch from femur ends in ashort tibia and tarsus, the last segment of which is bifurcated; tarsus of branchhas a double comb of 6 and 9 teeth and each of end segments has a pair of comb and claws are lefts and rights. Symmetry R; L, R. Left thirdof same fly missing. 17 Right first leg of male; femur, ending in a normal tibia and also with abranch from the posterior surface; normal tibia ends in two tarsi; an outer leftwith 8 teeth and claws missing, and an inner right with 12 teeth and 2 claws;branch from femur undivided, but with a double sex-comb of 10 and 9 teeth,which are left and right respectively. Symmetry L, R; L, R. 290 INFLUENCE OF TEMPERATURE ON DEVELOPMENT MILDRED A. HOGE PLATE 2. 291 PLATE 3 EXPLANATION OF FIGURES 18 Right first leg of male; trochanter indefinite, femur ending in a normalright tibia and tarsus, but with a large duplex branch from its proximal end;normal tarsus with 12 teeth and 2 claws; outer branch a left with 7 teeth and 2claws, and with tibia probably fused with femur; inner branch a right with 10teeth and 2 claws. The main axis of the inner branch is in a more ventral planethan that of the outer. Sjonmetry R; L, R. 19 First pair of legs of female, completely fused with each other; two separatecoxae, trochanters scarcely visible; femora of two sides completely fused withthe exception of outer femur of right leg, which is capable of separate leg with duplex femur, and 2 tibiae and tarsi; outer femur, tibia and tarsusare those of normal right leg with two claws; inner femur of abnormal size, tibiabent upon itself, and produced into a normal left tarsus with two claws. Left legwith two completely


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904