PACIFIC TUNICATA OF U.S. NATIONAL MUSEUM S 



Sta. 25. 19 July. Barrier reef S miles nortliwost of Koror Island: 7°24'30" 

 N., 134°21'20" E. (HO 0102, 1st ed., 11)44). Deptli 3-7 ft. ; bottom .saiul and coral 

 heads and dead coral. 



Ascidia minuta Tokioka ; Botrijlloidvn hjrcum llerdman ; Didcmnum {Didcm- 



num) candidum Savigny ; D. (D.) mosclcyi (Herdman) ; 1). (D.) moscleyi 



(Herdman) forma yrunuJalum Tokioka; D. (D.) nekozltu, u. .sp. ; B. {Polysyn- 



cratoii) sagamiana Tokioka; Eudistoma viridis Tokioka; LcptovUnkles reticu- 



latiis (Sluiter) ; Lissocliuum pulvinum (Tokioka) ; Polymrpa sp. ; Trididem- 



num savignii (Herdman). 

 Sta. 23. 21 July. Outer reef at eastern end of Urukthapel Island, about V/i 

 miles north of Pkuiasueh i'oiut: 7°1G'13" N., 134°27'35" E. (HO 0103, 1st ed., 

 1944) . Depth 2-4 ft., in breakers ; bottom covered with Turhinaria. 



BotryUoides violacciis margwatus, n. subsp. ; Botryllus tiiheratiis Ritter and 



Forsyth; PolycHnuin consteUatiiiii Savigny. 

 Sla. 30. 22 July. Iwayama Bay, between south shore of Kaibakku (Island 

 XXIX) and Kogai Hauto, Auluptagel Island (traverse XI) : 7^19'12" N.. 134°29'- 

 37" E. (HO 0070, 2d ed., 1944). Depth 0-3 ft. ; sand, coral, with vegetation con- 

 sisting mainly of Enhahis and Caiilerpa. 



ApUdinm lohatum Savigny; Didcmnum (Didcmnum) mosclcyi (Herdman). 

 Sla. 35. 24 July. Peliliu boat channel between Ngargersal and Kongauru I.s- 

 lands approximately 1 mile east of north tip of Peliliu Island : 7°02'.51" N., 134°- 

 17'42" E. Depth 1-10 ft.; sand, silt, occasional coral; Enhuhia acoroidcs and 2 

 other ssp. eelgrass ; algae including Caulcrpa. 



Didcmnum {Didcmnum) nclcoziia, n. sp. 

 Ssa. 53. 31 July. Ngaremdiu area, eastern Urukthapel ; rocky cape west of 

 sand beach Oiratel-ruul : l°l~^'l~j" N., 134°20'51" E. (HO 0103, 1st ed., 1944). 

 Depth 0-7 ft. ; sand, coral, rock. Green in life growing on hydroid. 



Eudistoma rdridis Tokioka. 

 Sta. 60. 5 August. North shore of Koror Island, west of Ebadul's Pier: 

 7°20'48" N., 134°28'12" E. (HO 0070, 2d ed., 1944). Depth 0-5 ft; sand flat; 

 occasional coral heads, with Enhalus growing on sandy areas, Sargassum attach- 

 ed to rocks. Found with sponges. 



Eudistoma sp. aff. anyolaiium (Michaelsen). 

 Sta. 61. 6 August. Seaward reef flat at south end of Ngemelis Island, west 

 side of Palau Archipelago: 7°00'4r)" N., 134°14'40" E. (HO 0073, 2d ed., 1944). 

 Depth 11/^-6 ft. ; coral and sand ; some Enhalus and Ilalimcda in sand patches, on 

 gorgonian. 



BotryUoides riolaccus Oka; Didcmnutn (Didcmnu)n) mosclcyi (Herdman); 



Symplegma viridc Herdman. 

 Sla. 67. 7 August. Reef in pass west of Nghus ("Ankosu") southern tip of 

 Urukthapel : 7°13'14" N., 134°22'10" E. (HO 0078, 1st ed.). Depth r>-7 ft. ; bot- 

 tom living and dead coral, sand, coi'al rubble. 



Didcmnum (Didcmnum) tcrnatanum (Gottschaldt). 

 Sta. 85. 12 August. Iwayama Bay, shallow area in Gernlierugaii'u Pass be- 

 tween Kaibakku Island and Kogai Ilanto, Auluptagel Island : 7°19'12" N., 

 134°29'37" E, (HO 0070, 1st ed.). Depth 5-0 ft. ; eelgrass, coral and .sand flat, 

 artificial rock barrier, found with Ilalimcda. 



Ascidia minuta Tokioka; Lcptoclinidcs rcticulatus (Sluiter); Trididcmnnm 



savignii jolense (Van Name) . 

 Sta. 85A. Same data as 85. Tide rising, depth 2-31/2 ft. 



Lcptoclinum vircns Hartmeyer. 



