( y ) 



Summary of Curbent Eesearohks, &c. — continued. 



PAOR 



Organization of Sternaspis sciitata (JOI 



Syngamus trachealis of Pheasants 602 



Excretory Organs of Trematoda and Cestod/i 602 



Ccelom and NepJiridia of Plafyhelmia 604 



Anatomy of Bistomum clavaium . . 604 



Development of Tricuspidaria nodtdosa 604 



Eye of Planarians ., .. .. ..■ .. 605 



Echinoderms from the North Sea , 605 



Echinodermata of the Straits of Magellan , 605 



Nervous System of the Ophiuroidea 606 



Viviparous Chirodota 606 



Fresh-water Actiniae 607 



Organization and Classification of the Acraspedota 608 



Tlie Discomedusai 609 



Observations on Sponges , 609 



Sexual Characters of Halisarea lobularis 610 



Leucandra aspera and the Canal System of Sponges 611 



Neio Fresh-water Sponges ., ..... .." 613 



History and Classification of Spongilla 614 



Sponge Spicules in Chert ,, .. 615 



Kent's ' Manual of the Infusoria' .. .. 615 



Variety of Stentor .. _,. .... .. 616 



Infusoria in " I) evo " .. 617 



Synopsis of Fresh-water JRhizopods ..... 617 



Bhizopods as Food for Young Fishes , ., 618 



Bhizopods in Mosses .. .. .. .. 618 



Fission of Euglypha alveolata .... .. ., 618 



Observations on the Gregarinidx .. .. .. ., 619 



Botany. 



Development of the Emhryo-sae .. .... .... . . . , 620 



Strasburger's ^ Cell-formation and Cell-division' .. .. 621 



Histology of Stem of NyctaginesB 622 



Secreting Intercellular Passages and Cystoliths in Acanthaeeai .. ., .. 622 



Structure of Stomata and Olands ,. . . , . . . . , 623 



Pilosism in Plants , ,, ,. ., .. 623 



Fertilization of Alpine Flowers . . ,. ., 624 



Nectaries of Flowers . . ; 626 



Extra-floral Nectaries . . .. ...... .. ,, 626 



Calfha dionsefolia, an Insectivorous Plant .. ,. .. .... .. .. 626 



Power of Movement in Plants .. .. .. ., ,. ,, ., ., ,, ,. 627 



Auxotonic Movements of Vegetable Organisms ., .. .. ,, 628 



Movements of Tendrils , .. ,, ,, 629 



Daily Periodicity in the Growth of Plant-stems ,. . , 629 



Freezing, of Plants ., ., 631 



Development of Heat during the Germination of Plants 632 



Inulin 633 



Neio Botanical Journal .. . , , 634 



Apical Cell in the Adventitious Buds of Ferns , , . 635 



Influence of Light on the Thallus of Marchantiese 635 



Hymenom.i^eete with the Hymenium on the Upper Side , . 636 



Superior Hymenium in the Hymenomyceles 636 



Structure of the Annulus in Hymenomycetes 636 



Supposed Hymeneal Glands of Pleurotus glandulosus .. .. . . . . . , 637 



New Genus of Sphxriacei 637 



Fungus-parasite of the Sycamore . , .... . . 638 



Myxomycetes or Mycetozoa 638 



Myocomycetes with Aggregated Plasmodium '. 639 



Ferments 641 



Fermentation by Schizomycetes 641 



Metamorphoses of the Schizomycetes 642 



New Bacteria 6^2 



Bacteria in the Choroid q^^ 



Role and Origin of some Miorozymes ,. .. 644 



Fructification of Chxtopteris plumosa 644 



Variegation and Cell-midtiplication in a Species of Enter omorpha .. .. 645 



Fallacious Appearances in Fresh-water Algae 646 



Absorptive Organs of Batrachospermum 646 



iVeio Zealand Desmidieie 647 



Division of Closterium intermedium 648 



Schmidt's Atlas of the Diatomacex .. , 648 



