on phylogeny of Echinodermata, [622]
H. malariae, parasite of quartan fever, [104] f.;
H. vivax, parasite of tertian fever, [104] f.
Haematochrome, [125]
Haematococcus (= Sphaerella, [111]), [125], [126]
Haemoflagellates (= Trypanosoma, etc., q.v.), [119] n.
Haemoglobin, [103];
in water-vascular system of Ophiactis virens, [499]