
THE ENTEROPNEUSTA. 
TABLE 12. 
Pt. flava, var. muscula. 
673 
Pt. flava, var. gracilis. 


























g a pelle ee te | Relative measurements a | a fae | Relative measurements | 
3 (in millimetres) | (GRIP eso 3 | (in millimetres) (collar length=1) | 
a ee | s 2 | | ae ee E an = ee 
my | oS |S 5 ehh is oa Ee eels Cee i] ts Sie claelh ba 
| , | liars | 
1 25 3 31 | 2:20 1:20 12-4 1 3 3 | 65 | 1-66 = | 21°6 
2) | 43 4 48) || 2:33 ||, 3:66. 16009) een ae 2:5 | 68 | 2:00 Sa oO 
omoae ie eb) 37 .| 250° |) -avspm ee iear allo ee 2 BT es | eo 
4 2°5 3 35 2°20 3:40 14:0 4 2 25 | 56 2-000) |e wae 28-0 
5 25 | 3 | 43 2°80 | 1:60 17:2 5 3 3 _ 183 |) — — 
Gulica- | 35 | — |: 200 || 200 = Goleta oo Haas 1) edo, I, Sel Be 
a 3 3d —_— 2:00 3°33 — 7 3 3 == | 1°33 \eaa = 
8 By eS) — 2°50 1°83 - 8 2 2 == || isa) — = 
9 25 35 — 2°40 3°80 — 9 2 2 =| 1:25 = | = | 
TOME 2:5 4-3 74/0 200) Wiese SV HON a Leis! eb edie oie de33) iy) = rey | 
a : Arist tlie rey fetch vrei} (yh = 
|| 22 |) SR || 2) eg) |) eg = 19°6 
| 13 2 2°5 _ 1:50 — — 
14 2°5 2°5 40 | 1:20 — 16:0 
15 | 2 2 36 | 1-00 _ 18:0 
Pt. flava, var. parva. | 16 2 25 | 44 1°50 = 22-0 
, } ; 17 2°5 3 44 1:20 _ 176 
Relative length of branchial region (collar | oe , 
length=1) in 9 Specimens= ic SUA = 10 i%, x 
1-20, 1:38, 138, 1-40, 1°60, 1-60, 1°60, 166,200. || 19 | 25 | 3 | — | 120 a a 
|| 20 2°5 2°5 42 | 1:00 -- 16°8 
Collar length in each case was 2°5-—3 mm. | 91 2:5 25 26 | 1-20 Ce 1 ea 
In one complete Specimen total length | 22 2°5 2-5 42 | 1:00 2=.4'| fies 
=30 mm. and relative length (collar length=1) | 23 3 2:5 44 1:00 A’ 146 
was 12:0. 24 2 25 l= 1:25 — | = 
| 25 | 25 | 25 | 40 | 1-00 == |) 16:0 
| 26 2 2 32 1:00 — 16:0 
|| 27 2 2 34 1-00 —_— 170 
| 28 2 2 — 1:00 a ay 
| | | 


