1914] 
Fig. 42. 
Fig. 48. 
Fig. 44. 
Fig. 45. 
Fig. 46. 
Fig. 47. 
Fig. 48. 
Fig. 49. 
Fig. 50. 
Fig. 51. 
Fig. 52. 
Fig. 53. 
Fig. 54. 
Fig. 55. 
Fig. 56. 
Fig. 57. 
Fig. 58. 
Fig. 59. 
Fig. 60. 
Fig. 61. 
Fig. 62. 
Fig. 63. 
Fig. 64. 
Fig. 65. 
Fig. 66. 
Fig. 67. 
Fig. 68. 
Fig. 69. 
A Study of Dryophanta Erinacet. 33 
PLATE V. 
Diagram showing location of sete on segments of larva of Decatoma 
flava. 
Diagram showing location of setze on segments of Eurytoma larva. 
Diagram showing location of setz on segments of larva of S. erinacei 
(summer brood). 
PLATE VI. 
Longitudinal section through larva of agamic form D. erinacei showing 
Larval Malpighian tubule, Valve, mid-intestine hind-intestine. 
Longitudinal section through larva of agamic from of D. erinacei showing 
larval Malpighian vessel, mid-intestine, hind-intestine, and hypo- 
dermis. 
Longitudinal section showing larval Malpighian vessel extending the 
length of the mid-intestine. 
Larval Malpighian tubules as dissected ovt from D. erinacei, agamic 
form. R 
Degenerating larval Malpighian tubules, and adult vessels forming, as 
dissected out from D. erinacei, agamic form. 
PLATE VII. 
Cross section from D. erinacei, agamic form, showing cell of larval 
Malpighian tubule in the lumen of the intestine, and adult vessel 
forming. 
Longitudinal section from larva of D. erinacei, agamic form, showing 
cell just breaking away into the lumen of the intestine. 
Larval Malpighian tubules of D. erinacei greatly reduced, and adult 
vessels nearing maturity. 
Larval Malpighian tubules of D. erinacei reduced to a few cells, adult 
vessels well developed. 
Longitudinal section of degenerating larval Malpighian vessel, with 
adult tubules forming from H. globulus, agamic form. 
A portion from a longitudinal section of a larva of D. polita, agamic 
form. showing degenerating larval tubules, and adult vessels forming. 
Longitudinal section through cells of degenerating larval Malpighian 
vessels of H. globulus. 
PLATE VIII. 
Larval and adult Malpighian vessels of H. globulus as dissected out. 
Portion of longitudinal section of larval Malpighian vessel of H. globulus. 
Longitudinal section through degenerating cells of Malpighian vessel 
of H. globulus. 
Larval Malpighian vessels of S. ernacei as dissected out. 
Longitudinal section through cells of larval Malpighian vessel of S. 
erinacei. 
Larval Malpighian vessels of Eurytoma larva as dissected out. 
Longitudinal section through cells of Malpighian vessel of a Eurytoma 
larva. 
PLATE IX. 
Larval Malpighian vessel of D. flava as dissected out. 
Longitudinal section through cells of Malpighian vessel from Nematus 
pomum. 
Longitudinal section showing attachment of larval Malpighian tubules 
to alimentary tract of N. pomum. 
Section showing larval Malpighian vessels, and adult tubule just 
appearing. 
Longitudinal section through a portion of a larval Malpighian tubule 
of T. solidaginis. 
Longitudinal section*through a portion of a larval Malpighian tubule 
of C. strobiloides. 
