biological. 
Verm. 21 
4. Muscular System, 
Cells of neraatoid type in Polynoe larva ; Hacker (101) : in Oligochceta ; 
Hesse (109). 
Striped muscle-fibres in Cestodes ; Pintner (184) : in a Trematode; 
Cerfontatne (5G). Muscles connecting suckers of scolex ; Luiie 
(150), Stiles in Loveland (149) : of rostellum; Luhe (150), Diamare 
(69). Peculiar muscles of a Tristonlid ; Cerfontaine (55). 
Uni- and bi-cellular and trellis-work muscles in Ascaris ; Gilson (91). 
Criticism of Apathy’s views on muscles of Ascaris; Rohde (196) : 
reply by ApAthy (3). Muscles of Gordius ; Vejdowsky (232). 
5. Digestive System and Organs formed from it. 
Notochord of a Balanoglossus with secretory cells opening into it ; 
Hill (112). 
Excretory activity of mesenteron in Gephyrea, PolychaetAj Dinophilus , 
NemertineS And Nematodes; Sciiimkewitsch (208). Development and 
homology of alimentary canal and its outgrowths in Polynoe ; HackEr 
(101). CalciferouS glands of Eudrilidce ; BeddaRd (11). 
Glands of alimentary canal in Ascaris ; JagerskiOld (116): its 
cuticle* V. Bommel (37). 
0. Body Cavity And its Contents, Parenchyme, &c. 
Mesenchymatous formation of collar coelom in Balanoglossus \ 
Morgan (172). 
“Coelomic” lacunae and contents in Clepsine ; Oka (181). Develop- 
ment of coelom in Hirudo and Aulastomum; Burger (49). Amcebo- 
cytes of Micronereis ; Racovitza (188). 
“Coelomic” spaces of young Gordius ; Yejdowsky (232). 
7. Vascular System and its Contents. 
Of Earthworms ; Bourne (40) : in Clepsine ; Oka (181) : in Hirudo 
and Aulastomum ; Burger (50). Blood corpuscles of Capitellidce and 
Glyceridce ; Knoll (130) *. of Magclona ; Benham (18). 
8. Respiratory Organs. 
In certain species of Sipunculus ; Fischer (74, 75) : of Euplirosyne ; 
McIntosh (154). 
9. Organs of Uncertain Function. 
Septal glands of Oligochaita ; Hesse (110). Vascular calciferous glands 
in certain Eudrilidce ; Beddard (11). Development of botryoidal 
tissue in Hirudo and Aulastomum ; Burger (49). “Problematical 
organs” in Myzostoma shown to be ovaries ; Wheeler (245) : denied 
Beard (10). 
