(38) 



malp 



malp 



FIGURES 33-38. Midgut and proctodaeum of Hyd ropsy chodes sp. (after Branch): 



33 - longitudinal section at the end of stomodaeum and beginning of midgut in the region 

 of cardiac fold; 34 — longitudinal section of proctodaeum; 35 — transverse section at the 

 beginning of small intestine where malpighian tubes open; 36 — arrangement of malpighian tubes; 

 37 — transverse section at end of small intestine; 38 - anal (or rectal) gills. 



ang — anal gill, bm - basal membrane, int — intima, malp — malpighian tubes, per - peritrophic 

 membrane, lm — longitudinal musculature, prov — proventriculus, rec — rectum, si — small 

 intestine, li — large intestine, cir — circular musculature, ep — epithelium. 



33 



