bids are invited for slide , ovary , skin , lungs , v.s anterior lobe of pitutary , v.s thyroid gland , t.s pancreas , t.s thymus , t.s adrenal gland , cycliod scales of fishes , cteniod scales , placiod scales , fish parasite , stages of mitosis , stages of meosis , polytene chromosome , lamp brush chromosome , l.s early gastrula of frog , v.s late gastrula of frog , v.s complete gastrula of frog , t.s tadpole larva through eye region , t.s tadpole larva through head and gill region , chick embryo 16 hr w.m , chick embryo 24hr w.m , chick embryo 36 hr w.m , chick embryo 55 hr w.m , chick embryo 72hr w.m , chick embryo 96 hr w.m , cast net with sinkers , drag net with sinkers , happa hatching , tana jall , volvox , gemmules , spicules of sycon , hydra , obelia , mosquito , house fly , cockroach , mouth parts of cockroach , trachea of cockroach , salpa , spicules , pharynx of herdmania , amphioxus , cycloid scales , ctenoid scales , placoid scales , daphnia , cyclops , nauplius larva , honey bee mouth parts , crustacean larva , red cotton bug mouth parts , anopheles mosquito , culex mosquito , aedes mosquito , rana disarticulated , varanus disarticulated , pigeon or gallus disarticulated , orcyxtolagus rat disarticulated total quantity : 302