BIOLOGY. 
Verm. 21 
Ccelomic corpuscles, and dorsal pores in OligoctuBtes and the functions 
thereof; Cu^not (1). 
Phagocyte organs — amcebocytes and special coelomic epithelium cells in 
each segment — in Polychootes ; CANTACUzfeNE. — Lymphatic glands in 
Ascarids ; Nassonow (3). 
Different kinds of connective-tissue cells in Nemertines, and the presence 
or absence of body cavity ; Montgomery (2). 
Vascular System and its Contents. 
Presence of vascular system in some species of Glycera and Goniada, its 
absence in most species regarded as due to degeneration ; Arwidsson. 
Vascular system and circulation in Amphictenidce ; Fauvel (2): in 
Anipharetidce ; Fauvel (3) p. 99. 
Cardiac body and its functions in Ampharetidce ; Fauvel (3). — Pear- 
shaped bodies, two in each segment, projecting into lumen of dorsal vessel 
in a Criodrilus ; Michaelsen (1) : in Enchy traeids ; Nusbaum & Rakowski. 
Vascular system and circulation of blood in leeches, the sinus round the 
intestine serving as propelling organ ; Johansson (2) & (1). 
Vascular system of Nemertines, valves in the vessels of Tetrastemma 
grcecense ; Bohmig (2). 
Blood corpuscles of Gephyrea, Polychaeta, Oligochaeta, Hirudinea and 
Nomertinea, summary of recent researches ; CuiSnot (2). — Blood corpuscles 
of Oligochaota and their function ; CuIsnot (1). 
Respiratory System. 
In leeches: lateral vesicles of vascular system serving as respiratory 
organs; Johansson (2). 
Excretory System. 
Discussion as to whether the brown sacs of Sternaspis may be regarded 
as nephridia or not ; Goodrich (2). — Absence of internal aperture to nephri- 
dium and presence of peculiar flagella- bearing cells in Nephtliys scolopen- 
droides; Goodrich (1). — Nephridia of Ampharetidce ; Fauvel (3) p. 121 : 
Nephridia and Ciliated Organs of Hesione, Tyrrhena and Nephthys ; 
Goodrich (1). — Nephridia as phagocyte organs in Nephthys, Glycera , 
Arenicola and Spirographis ; CantacuzIsne. 
Excretion in Oligochsetes and the different organs subserving this 
function; Cu^not(I): in leeches; Kowalewsky. 
Relation between nephridia and funnels in leeches; Bolsius (1), (3) 
& (4). — Structure of nephridium in Nephelis and Clepsine ; Graf : in 
Discodrilids, comparison with other annelids; Moore. 
Cytology of the excretory organs in leeches ; Graf. 
Flame cells and capillaries of the excretory system in Distomum patellare ; 
Sturges. 
Excretory organs of nemertines, asymmetry of pores to the exterior, 
absence of connection between it and vascular system in Tetrastemma 
grcccense ; Botimio (2): in Stichostemma eilhardi , — peculiar “cuticular 
almond ” in terminal bulb ; Montgomery (3). 
Organs serving for excretion — lateral linos and mid-gut — and 4 special 
phagocyte organs, each consisting of a huge branching cell, in A scans ; 
Metalnikoff; in Ascarids and Oxyurids: Nassonow (1) : see also Spengel 
(1) & (2) and Shipley (1). 
