II. CHEMISTRY 151 



TABLE II— Continued 



Qniino Provitamin D, parts per 



^""'^ thousand of total sterol 



Invertebrates — Continued 



Coelenterates 



Metridium dianthus, sea clove 86 



Actinoloba dianthus, sea anemone 52* 



Actinia equina, sea anemone 50 



Urticina crassicornis, sea anemone 46 



Pennatula guadrangularis , sea pen 42 



Alcyonium digitatum, sea finger 34 



Anemonia sulcata, sea anemone 17 



Commercial species of corals 10 



Australian species of sea anemones 9 



Unidentified species of sea anemones trace 



Bryozoan 



Flustra securifrons, sea mat 65* 



Annelids 



Tubifex (Sp.), waterworm 210* 



Lumbricus terrestris, earthworm 170* 



Arenicola marina, lugworm, sandworm 55* 



Hirudo medicinalis, leech 39* 



Nereis virius, ragworm 16* 



Arthropods 



Tenebrio molitor, mealworm 120* 



Melolontha vulgaris, cockchafer grubs 89 



Gyronomus (Sp.), gnat 61 



Dytiscus marginalis, diving beetle 40 



Carausius morosus, locust eggs 25 



Aleurobius farinae, meal mite 25 



Eriocheir sinensis, wool hand crab 23* 



Blatta orientalis, cockroach 23 



"Kieferspinnerraupe," pine caterpillar 22 



Cantharis vesicatoria, Spanish fly 22 



Cancer pagurus, common crab 15* 



Bombyx mori, silkworm eggs 8.9* 



Daphnia (Sp.), waterflea 7.5 



Musca domestica, housefly 7.0 



Melolontha vulgaris, cockchafer, May beetle 5.0 



Apis mellifica, honeybee 4.5 



Crangon vulgaris, shrimp 3.8* 



Munida bamffica, crustacean 3.5 



Homarus vulgaris, lobster 2.5 



Mollusks 



Modiolus demissus, ribbed mussel 370* 



Arion empiricorum, slug, red road snail 220* 



Buccinum undatum, whelk, wave horn snail 180* 



Littorina littorea, periwinkle 170* 



Archidoris tuberculata, sea snail 150 



