Section 13.76: Question 3, drop "(1 or 2)"; Section
13.77: add:
ce gi
3,4 Ancula gibbosa
Section 13.80: Replace Question 3 with:
3. Second pair of tentacles on head (=rhinophores):
A. Rhinophores ringed...........................................ri
B.
Rhinophores with white tip.................................wh
C.
Rhinophores lack these two features...................x
Section 13.81: Replace Tentacle 1:Tentacle 2 with
Rhinophore
Symbols under this heading should be:
ri
Facelina
wh
Cuthona
x
Catriona
wh,x
Cratena and Flabellinids
x,ri
Aeolidia
Under Cuthona, offer these options:
-with the hydroid Hydractinia:
Cuthona nana
-with hydroids other
than Hydractinia: Cuthona concinna
The number of cerata for Facelina bostonensis should be 20-35. Under the species description, add: white patches between rhinophores and down tail.
Add:
Cuthona nana (Alder
& Hancock, 1842) (Tergipedidae). Small cerata up to level of
rhinophores. Body pinkish. With Hydractinia. Ac,Ha,Su,pr,28mm
(1.25 in).
Section 13.82: Here, replacing existing questions with the following
(largely suggested by Bleakney) may be helpful.
1. Length of foot corners (auricles):
A. Auricles small, less than half of foot width
sm
B. Auricles large, about equal to foot width
la
2. Location of anus (papilla or opening located
along right side of body):
A. Anus located approximately 1/2 along right side
1/2
B. Anus located more than 1/2 way alaong right side
>1/2
3. Distribution (clumping) of fingerlike cerata
groups:
A. Cerata appear to be continuous along back
co
B. Cerata in clusters: provide number of clusters
__
4. Surface of second pair of tentacles, the
rhinophores:
A. Rhinophores smooth
sm
B. Rhinophores rough
ro
5. Color of ceratal tip:
A. Solid white tip
wh
B. Tip translucent with solid white ring
ts
C. Tip translucent with ring of white dots
td
6. Presence of white markings along upper surface
of tail:
A. Solid white line
so
B. Row of white spots
sp
C. White markings absent from upper surface of tail
x
Section 13.83
Auricles Anus Clumps Surface
Tip Tail Organism
la 1/2
4-6 sm
td sp
Flabellina
gracilis
la
1/2 8-10
ro wh
x Flabellina pellucida
la
1/2 co
ro wh sp
Flabellina nobilis
sm 1/2
5-7 ro
ts so Flabellina
verrucosa rufibranchialis
sm >1/2
co ro
td x
Flabellina salmonacea
Add:
Flabellina nobilis (Verrill, 1880)
Large, wide; cerata dense and uniform.
Ac,Ha,Su,pr,50mm(2 in)
Section 13.86
To question 3, add:
E. Tentacles stubby;
animal's head looks slug-like
st
Then to Section 13.87, add:
in,th
18 st
Alderia modesta
Then add to species listings:
Alderia modesta (Loven, 1844).
Sacoglossa, Stiligeridae. Drab, brown to creamy; pulse-like contraction
of cerata. Marshes; eats Vaucheria. Ac,Al-SM,Li-Es,gr,5-8mm(0.3in)