Biological Lectures Delivered at the Marine Biological Laboratory of Wood's Holl [sic].

adjective adopted American eggs amphiaster anatomical anatomists animals annelids appear archoplasm biology blastomeres bones brain calcar calcar avis callosum canal cavity centrosome character chiasma cleavage color cornu corpus Crepidula Cupressus cytoplasm definite derived determinate cleavage differentiation direction divide division dura Epiphysis excretophores excretory granules fact falx fertilization cone fissure formation fossil funnel gasteropods genera genus German committee give rise heteronyms Hippocampus homologies ideal indicated individual investigation later Latin material Mesencephalon middle-piece mitosis mononyms names natural nephridial cells nephridium nomenclature nucleus oocyte organs ovum paronym plants polar body polar globule polyonyms postcava posterior present Professor promethea prosencephalon protoplasm pupae quartette ray cells regard relations resin cells resin passages result segments species specimens sperm attraction sphere spermatozoon spindle stage structure substance sulcus surface Taxaceae Thalamus Thuya tion tissues tracheids trochoblasts vacuoles variation vena cava vertebrates walls waste products words