@inbook {512,
	title = {Sipuncula},
	booktitle = {Reproduction of Marine Invertebrates},
	year = {1975},
	note = {@ CHAPT. OF 1975 BOOK; MORE REHASH BUT PERHAPS MORE COMPLETE THAN SOME OTHERS? MARG. L. READ. 4.1 INTRO 4.2 ASEXUAL - 2 SPP, ASP BROCKI (RICE 70) DAUGHTER 1/5 OF PARENT..FIGS; SUMMARY - 15\% OF POPUL THEREFORE {\textquoteright}NATURAL.- SEXUAL REPRO NOT OBSERVED ALTHO GONADS SEEN. 2ND SP IS S.ROBUSTUS - RAJULU - TRANSV. FISSION. ONLY UNDER STRESS.. REGENERATION 4.3.1 SEXUAL REPRO / DIMORPHISM - CAN{\textquoteright}T TELL BUT COLOR OF GAMETES SOMETIMES SEEN - CAN ALSO WITHDRAW GAMETES. 4.3.2 HERMAPH; G.MINUTA ONLY; PROTANDROUS; UNEXPLAINED PREDOM OF FEMALE - G. ELONG, VULG, MINUTA KEF 1883 200/200 FEMALES ETC. 60/1, 50/37 MALE/FEM 4.3.3. ANATOMY OF REPRO SYST.; NARROW DIGITATE BAND OF TISSUE ALONG BASE OF VENT. RETS.. MAY DISAPPEAR; IN PERITONEAL SHEATH \& SUSPENDED BY PERIT MESENT; AT DISTAL END GAMETES MORE MATURE; N{\textquoteright}PORE \& N{\textquoteright}STOME AS OPENINGS FOR GAMETES; 4.3.4. ORIGIN OF GERM CELLS - NO DATA; ?FROM PERITON?? RETROPERITON 4.3.5.1 CYTODIFFERENTIATION OF OVARIAN OOCYTES; OO{\textquoteright} RELEASED AT DIPLOTENE OF PROPH.1; 7 REGIONS OF OV. OF G.VULG (FIG. FROM ?GANS) 1956A; CHROMO SPIRALIZED \& TETRADS FORMED... AGASS; GANS, 56 MOST EXHAUSTIVE STUDY; FIG.6 -STAGES OF COEL DIFFER FOLLICLE CELLS PRESENT BUT DETACHED AT DIFF POINTS; BLEBS... MAY SEE SOME POLARITY; SOME BILATERALITY; ?FLATTENING; MICROVILLI, EGG ENVEL IS MUCOPROT.; FIG.8 EM OF ENVEL; FIG.9 GROWTH OF LAYERS..; MITOCHONDRIA, VESICLES, GRANULES, RUFF ER...; RESPIR/METAB PEAKS DURING YOLK FORMATION...; LIPID SPHERES; SHAPE SPHERE/OVAL/FLAT; 4.3.5.3 DIFFER{\textquoteright}TION OF MALE GAMETES; VERY LITTLE KNOWN; CLUSTERS > SPLIT APART LATE; LOW ACROSOMAL CAPS BUT THIS VARIES ? MAYBE AS PER EGG MEMB /JELLY COAT? 4.3.6. GAMETOGENIC CYCLE - 4 SPP. G.VULG / T. PUGG / PH. AGAS; ALL FROM TEMP. H2O; P.LURCO TOO; VULG IN FR. JUNE-SEPT SPAWN; T.PUGG OCT-DEC SPAWN; SAME SEQUENCE OF CHANGES BUT DIFF TIMING; PH.AG. IN SAN JUAN JUNE-AUG; IN MONTERAY MAR-MAY; (SIZE OF OOCYTES OVER TIME - FIGS) BUT GROW ALL YEAR LONG / NOT 1ST TWO; PH.ARCUATUM DEC-FEB IN AUSTRAL \& LACKS ANY KIND OF GAMETES FOR 2 MONTHS \& SPERM ONLY PRESENT FOR A FEW MONTHS; 4.3.7. FACTORS INFLU GAM{\textquoteright}GENESIS; ?NEUROSECRETORY SUBST? EXOGENOUS FACTORS E.G. TEMP/PHOTOPER ETC SUGGESTED; SOME TROPICAL SP. MAY BREED ALL YEAR? 2 POPS OF PH.AG. DIFF TIMES; 4.3.8. SPAWNING \& BREEDING PERIODS; NEPH SWELL \& WORMS MORE ACTIVE; SYNCHRONY IMPORTANT - HYPOTHESIS ONLY; SEE RICE.MON FOR MORE**},
	pages = {67-127},
	publisher = {Academic Press Inc.},
	organization = {Academic Press Inc.},
	address = {New York},
	author = {Rice, M. E.}
}
