233 



smooth holes in the articular end. The articular end is faintly 

 hollowed, but a distinct bridge is wanting. 



To the genus thus characterized belong for the present two 

 different species: Synapta roseola Verrill 1874 and Epitomapta ta- 

 bogae Heding. Roseola is reported several times from Massachusetts 

 and Bermuda, and tabogae is common at Taboga and Taboguilla, 

 Panama. 



Epitomapta tabogae n. sp. 



Taboga, Panama. 2.II.1916. Sandy shore, at low water mark. 1 specimen. 

 3.II.1916. „ „ 13 



4.II.1916. „ „ 2 



Taboguilla. 10.11.1916. Under stones, by low water. 1 „ 



The specimens at hand measure up to 9 cm in length by ca. 

 0,5 cm in diameter. Their colour is in alcohol bright yellow. They 

 have twelve tentacles, each with 5 — 6 pairs of digits and 8 — 14 

 sensory cups. The length of the digits is increasing outwards, the 

 terminal one being the longest. Eye-spots are wanting on the oral 

 disk. The radial pieces of the calcareous ring (Fig. 40. 7) are not 

 perforated for the nerves, but notched in their anterior margin. A 

 cartilaginous ring is wanting. There is only a single polian vesicle 

 and one unbranched stone-canal. The oesophagus is thin and dif- 

 ferent from the folded intestine. The gonads are voluminous and 

 bushy-branched. They enclose eggs with a diameter of 150 [i. 

 The genital duct opens on the end of a very long papilla (measuring 

 two thirds of the tentacle-length) which is found between the dorsal 

 tentacles. The ciliated funnels (Fig. 40. 8) are found on the body- 

 wall, where they appear to be united by a fine string. 



The anchors from the posterior end of body (Fig. 40. 1) measure 

 ca. 200 in length and 100 [i in width. They are rather slender 

 and their arms are distinctly serrate. The anchors from the anterior 

 end of body (Fig. 40. 2) measure ca. 170 p in length and 100 fi 

 in width, and differ from those more posteriorly in having the arms 

 smooth or nearly quite smooth. The anchor-plates (Fig. 40. 3-6) 

 measure ca. 150 jti in length and 100 — 110 in width. The seven 

 large holes in the anterior end are toothed. The plates from the 

 posterior end of body have usually four holes in the articular end 

 and those from the anterior end have from 5 — 10 holes in the ar- 

 ticular end. The articular end is hollowed and a distinct bridge is 



