Figs. 5, 5 _a_. Zoaria from a compound colony of _P. burmanica_ from the Sur Lake, Orissa (× 2). The specimens, which were preserved in formalin, are represented as seen from the adherent surface of the colony. [Illustration: Phylactolaematous Polyzoa. Plate V. A. C. Chowdhary, del. Plumatella, Stolella, Pectinatella.] * * * * * Transcriber's note: In the Systematic Index, sub-family items were renumbered from 15. through 38., to correspond to the numbers used in the text of the book. Greek letters used as symbols are spelled out, e.g. alpha, beta, etc. Letters missing or mis-typeset were inserted, e.g. 'practica ly' to 'practically' Footnotes were moved after the paragraph to which they pertain. Raised dots were replaced with decimal points in numeric notations. Bold page numbers in the index are surrounded by tildes, e.g. ~76~. Punctuation was standardized. Added a description of a sketch contained within one line of text. Other changes: 'recognzied' to 'recognized' ... be recognized.... 'benegalensis' to 'bengalensis' ... lacustris var. bengalensis,... 'pecular' to 'peculiar' ... the peculiar amphipod ... 'milar' to 'similar' ... similar in the two ... 'large' to 'larger' ... a little larger than the upper ... 'pennsylvania' to 'pennsylvanica' ...Tubella pennsylvanica... 'variely' to 'variety' ... specimens of the variety ... 'measurments' to 'measurements' ... the average measurements ... 'It' to 'Its' ... Its buds, however, possessed ... 'dispsition' to 'disposition' ... 'Y-shaped disposition of ... 'Wood's Holl' to 'Wood's Hole' ... Biol. Bull. Wood's Hole,... '1852' to '1851' at the end of the citation of Leidy's paper, to match date at the beginning of the citation paragraph. 'syoecium' to 'synoecium' ...in a gelatinous synoecium... 'Lacustre' to lower case ...Ann. Biol. lacustre,... 'Dactyloccopsis' to 'Dactylococcopsis' ... Dactylococcopsis pectinatellophila ... 'amphioxus' to 'amphioxous' ... amphistrongylous or amphioxous ... 'Trìda' and 'Trida' to 'Trída' for consistency ... Praze, Trída ...