MORPHOLOGY, PHYSIOLOGY. 
Prot. 35 
Heteroplirys myriapoda can use silicious needles from the skeleton of 
Acantkocystis turfacea to strengthen its own envelope, Penard (291). 
On the formation of additional skeletal elements in certain Aulacan- 
thidce , Immermann (16*2). 
Structure and development of the cuticle in Sarcocystis tenella, Ferret 
(110 & 111). 
On the nature of the integument in Opalina , Kunstler (189). 
(b) N ucleus and cytoplasm : — Consideration of the Protozoan nucleus, 
Calkins (45). — Elaboration of pigments in Protozoa, Mandoul (244). 
Two nuclei and “double” nature of the energid in Arcella , Dangeard 
( 76). — Mass-relations of nucleus and cytoplasm in Actinosphcerium , Smith 
( 359). — Plasmogamyor plastogamy, varieties of, in Centropyxis, Schaudinn 
( 333). — Full account of the chromidia and chromidial masses in Polystomella , 
Centropyxis and Chlamydophrys and the probable homology and signification 
of these bodies, Schaudinn (333). 
Vegetative processes in nucleus and cytoplasm of Monocystis spp., 
Drzewecki (91). [The Rec. is sceptical about much of this account.] 
Structure of the mouth or “infundibular orifice” in various Flagellates, 
Kunstler (188). 
Nuclear structure in Infusoria and Actinosphcerium , Rohde (321). — 
Details of nuclear structure in Paramcedum , Mitrophanow (268). — 
Nuclear structure of Stylonichia and Balantidium , Kunstler & Gineste 
(191). 
Minute cytological structure of various Infusoria ; description of their 
locomotive apparatus, flagella, cilia, etc. ; origin, nature and function of 
“basal granules,” Maier (243). — Cytoplasmic details (basal granules, 
fibrillar structures, etc.), in various Nyctotheri ’, Opalines , and Balantidia , 
Bezzenberger (17).— Minute cytological structure in Trachelius ovum , 
Hamburger (143). 
Note on the differentiation of digestive apparatus in Balantidium , 
Kunstler & Gineste (190).— Protoplasmic changes during the process of 
encystment in Dileptus , Prowazek (306). — Formation of the new “peri- 
stomal field” during fission or regeneration in Stentor , Stevens (372). 
Description of the nuclear apparatus in Fcettingeria (n. g.) actiniarum, 
Caullery & Mesnil (56). 
(c) Organs of attachment and movement: — Myonemes of Pro- 
tozoa, Prenant (301). 
Consideration of the flagella of certain Flagellates and their associated 
organella? (basal granules, diplosomes, rhizoplasts and zygoplasts) in their 
relation to the nucleus, Prowazek (302). 
Description of the minute structure of Multicilia , especially of its 
flagella, Penard (290). 
Cirrhi, cilia and membranellse of Euplotes, Minkevich (266 & 267). — 
On the differentiation of muscular and neural fibrilla? etc. in Stentor 
cceruleus , Neresheimer (279). — Fibrillar structures in Vorticella microstoma, 
especially in the region of the peristome, Prowazek (302). — On the nature 
of the contractile stalk in Vorticella , Brandes (34) & Strehl (373). 
B. Physiology. 
1. Nutrition, excretion, osmosis, etc. 
Correlation between the size of the cell and its nucleus in various 
Protozoa, under different conditions of nutriment, Hertwig (150). — 
Discussion of conditions affecting the metabolic interchange between 
nucleus and cytoplasm in the Protozoan cell, Hertwig (151). — On the 
causes producing “senile degeneration” in Protozoa, Enriques (100). — 
